12905275 has 24 divisors (see below), whose sum is σ = 17074800. Its totient is φ = 9648000.

The previous prime is 12905257. The next prime is 12905287. The reversal of 12905275 is 57250921.

It is not a de Polignac number, because 12905275 - 2⁹ = 12904763 is a prime.

It is a super-2 number, since 2×12905275² = 333092245651250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47841 + ... + 48109.

It is an arithmetic number, because the mean of its divisors is an integer number (711450).

Almost surely, 2^12905275 is an apocalyptic number.

12905275 is a deficient number, since it is larger than the sum of its proper divisors (4169525).

12905275 is a wasteful number, since it uses less digits than its factorization.

12905275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 12905275 is about 3592.3912648819. The cubic root of 12905275 is about 234.5609729868.

The spelling of 12905275 in words is "twelve million, nine hundred five thousand, two hundred seventy-five".