12874585437 has 24 divisors (see below), whose sum is σ = 21376153344. Its totient is φ = 7314374304.

The previous prime is 12874585393. The next prime is 12874585447. The reversal of 12874585437 is 73458547821.

12874585437 is a `hidden beast` number, since 1 + 28 + 7 + 4 + 585 + 4 + 37 = 666.

It is not a de Polignac number, because 12874585437 - 2⁸ = 12874585181 is a prime.

It is a super-2 number, since 2×12874585437² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12874585447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579733 + ... + 601530.

It is an arithmetic number, because the mean of its divisors is an integer number (890673056).

Almost surely, 2^12874585437 is an apocalyptic number.

It is an amenable number.

12874585437 is a deficient number, since it is larger than the sum of its proper divisors (8501567907).

12874585437 is a wasteful number, since it uses less digits than its factorization.

12874585437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181449 (or 1181446 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The spelling of 12874585437 in words is "twelve billion, eight hundred seventy-four million, five hundred eighty-five thousand, four hundred thirty-seven".