12807475 has 12 divisors (see below), whose sum is σ = 15929784. Its totient is φ = 10214720.

The previous prime is 12807469. The next prime is 12807479. The reversal of 12807475 is 57470821.

It is a happy number.

It is not a de Polignac number, because 12807475 - 2³ = 12807467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12807475.

It is not an unprimeable number, because it can be changed into a prime (12807479) 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 11 ways as a sum of consecutive naturals, for example, 11127 + ... + 12223.

It is an arithmetic number, because the mean of its divisors is an integer number (1327482).

Almost surely, 2^12807475 is an apocalyptic number.

12807475 is a deficient number, since it is larger than the sum of its proper divisors (3122309).

12807475 is a wasteful number, since it uses less digits than its factorization.

12807475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 12807475 is about 3578.7532745357. The cubic root of 12807475 is about 233.9669456805.

The spelling of 12807475 in words is "twelve million, eight hundred seven thousand, four hundred seventy-five".