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12401325 = 325255117
BaseRepresentation
bin101111010011…
…101010101101
3212100001102100
4233103222231
511133320300
61121445313
7210260316
oct57235255
925301370
1012401325
117000332
1241a0839
132752881
14190b60d
15114e700
hexbd3aad

12401325 has 18 divisors (see below), whose sum is σ = 22212554. Its totient is φ = 6613920.

The previous prime is 12401317. The next prime is 12401351. The reversal of 12401325 is 52310421.

It can be written as a sum of positive squares in 3 ways, for example, as 3526884 + 8874441 = 1878^2 + 2979^2 .

It is not a de Polignac number, because 12401325 - 23 = 12401317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12401298 and 12401307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27334 + ... + 27783.

Almost surely, 212401325 is an apocalyptic number.

12401325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12401325 is a deficient number, since it is larger than the sum of its proper divisors (9811229).

12401325 is a wasteful number, since it uses less digits than its factorization.

12401325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55133 (or 55125 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12401325 is about 3521.5515046638. The cubic root of 12401325 is about 231.4671493270.

Adding to 12401325 its reverse (52310421), we get a palindrome (64711746).

The spelling of 12401325 in words is "twelve million, four hundred one thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 55117 165351 275585 496053 826755 1377925 2480265 4133775 12401325