12861475 has 12 divisors (see below), whose sum is σ = 17398440. Its totient is φ = 9353600.

The previous prime is 12861467. The next prime is 12861481. The reversal of 12861475 is 57416821.

It is not a de Polignac number, because 12861475 - 2³ = 12861467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12861475.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23110 + ... + 23659.

It is an arithmetic number, because the mean of its divisors is an integer number (1449870).

Almost surely, 2^12861475 is an apocalyptic number.

12861475 is a deficient number, since it is larger than the sum of its proper divisors (4536965).

12861475 is a wasteful number, since it uses less digits than its factorization.

12861475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46790 (or 46785 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 12861475 is about 3586.2898655853. The cubic root of 12861475 is about 234.2953086104.

The spelling of 12861475 in words is "twelve million, eight hundred sixty-one thousand, four hundred seventy-five".