12437568427 has 16 divisors (see below), whose sum is σ = 12619514880. Its totient is φ = 12257347072.

The previous prime is 12437568419. The next prime is 12437568431. The reversal of 12437568427 is 72486573421.

It is a cyclic number.

It is not a de Polignac number, because 12437568427 - 2³ = 12437568419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12437568467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15373599 + ... + 15374407.

It is an arithmetic number, because the mean of its divisors is an integer number (788719680).

Almost surely, 2^12437568427 is an apocalyptic number.

12437568427 is a deficient number, since it is larger than the sum of its proper divisors (181946453).

12437568427 is a wasteful number, since it uses less digits than its factorization.

12437568427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622.

The product of its digits is 2257920, while the sum is 49.

The spelling of 12437568427 in words is "twelve billion, four hundred thirty-seven million, five hundred sixty-eight thousand, four hundred twenty-seven".