12256575 has 24 divisors (see below), whose sum is σ = 21458448. Its totient is φ = 6151680.

The previous prime is 12256571. The next prime is 12256579. The reversal of 12256575 is 57565221.

It is an interprime number because it is at equal distance from previous prime (12256571) and next prime (12256579).

It is not a de Polignac number, because 12256575 - 2² = 12256571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3532 + ... + 6081.

It is an arithmetic number, because the mean of its divisors is an integer number (894102).

Almost surely, 2^12256575 is an apocalyptic number.

12256575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12256575 is a deficient number, since it is larger than the sum of its proper divisors (9201873).

12256575 is a wasteful number, since it uses less digits than its factorization.

12256575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643 (or 9638 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 12256575 is about 3500.9391597113. The cubic root of 12256575 is about 230.5630502448.

The spelling of 12256575 in words is "twelve million, two hundred fifty-six thousand, five hundred seventy-five".