12407640775 has 12 divisors (see below), whose sum is σ = 16195237000. Its totient is φ = 9403685280.

The previous prime is 12407640733. The next prime is 12407640809. The reversal of 12407640775 is 57704670421.

It is a de Polignac number, because none of the positive numbers 2^k-12407640775 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13060200 + ... + 13061149.

Almost surely, 2^12407640775 is an apocalyptic number.

12407640775 is a deficient number, since it is larger than the sum of its proper divisors (3787596225).

12407640775 is a wasteful number, since it uses less digits than its factorization.

12407640775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26121378 (or 26121373 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 12407640775 in words is "twelve billion, four hundred seven million, six hundred forty thousand, seven hundred seventy-five".