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12304025 = 522232207
BaseRepresentation
bin101110111011…
…111010011001
3212011002221122
4232323322121
511122212100
61115415025
7206403536
oct56737231
925132848
1012304025
116a44218
124154475
13271a4b6
1418c3d8d
151130985
hexbbbe99

12304025 has 12 divisors (see below), whose sum is σ = 15332352. Its totient is φ = 9794640.

The previous prime is 12304021. The next prime is 12304027. The reversal of 12304025 is 52040321.

It is not a de Polignac number, because 12304025 - 22 = 12304021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12303994 and 12304012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4472 + ... + 6678.

It is an arithmetic number, because the mean of its divisors is an integer number (1277696).

Almost surely, 212304025 is an apocalyptic number.

It is an amenable number.

12304025 is a deficient number, since it is larger than the sum of its proper divisors (3028327).

12304025 is a wasteful number, since it uses less digits than its factorization.

12304025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12304025 is about 3507.7093665240. The cubic root of 12304025 is about 230.8602003885.

Adding to 12304025 its reverse (52040321), we get a palindrome (64344346).

The spelling of 12304025 in words is "twelve million, three hundred four thousand, twenty-five".

Divisors: 1 5 25 223 1115 2207 5575 11035 55175 492161 2460805 12304025