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12325215 = 357241409
BaseRepresentation
bin101111000001…
…000101011111
3212012012000110
4233001011133
511123401330
61120101103
7206522400
oct57010537
925165013
1012325215
116a59131
124164793
132727036
1418cb9a7
151136db0
hexbc115f

12325215 has 48 divisors (see below), whose sum is σ = 23556960. Its totient is φ = 5483520.

The previous prime is 12325211. The next prime is 12325231. The reversal of 12325215 is 51252321.

It is not a de Polignac number, because 12325215 - 22 = 12325211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12325191 and 12325200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29931 + ... + 30339.

It is an arithmetic number, because the mean of its divisors is an integer number (490770).

Almost surely, 212325215 is an apocalyptic number.

12325215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12325215 is a deficient number, since it is larger than the sum of its proper divisors (11231745).

12325215 is a wasteful number, since it uses less digits than its factorization.

12325215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 465 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 12325215 is about 3510.7285568668. The cubic root of 12325215 is about 230.9926535772.

Adding to 12325215 its reverse (51252321), we get a palindrome (63577536).

The spelling of 12325215 in words is "twelve million, three hundred twenty-five thousand, two hundred fifteen".

Divisors: 1 3 5 7 15 21 35 41 49 105 123 147 205 245 287 409 615 735 861 1227 1435 2009 2045 2863 4305 6027 6135 8589 10045 14315 16769 20041 30135 42945 50307 60123 83845 100205 117383 251535 300615 352149 586915 821681 1760745 2465043 4108405 12325215