12637893 has 8 divisors (see below), whose sum is σ = 16936000. Its totient is φ = 8382528.

The previous prime is 12637883. The next prime is 12637901. The reversal of 12637893 is 39873621.

12637893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12637893 - 2⁸ = 12637637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12637843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9988 + ... + 11181.

It is an arithmetic number, because the mean of its divisors is an integer number (2117000).

Almost surely, 2^12637893 is an apocalyptic number.

It is an amenable number.

12637893 is a deficient number, since it is larger than the sum of its proper divisors (4298107).

12637893 is a wasteful number, since it uses less digits than its factorization.

12637893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21371.

The product of its digits is 54432, while the sum is 39.

The square root of 12637893 is about 3554.9814345507. The cubic root of 12637893 is about 232.9297128767.

It can be divided in two parts, 12637 and 893, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 12637893 in words is "twelve million, six hundred thirty-seven thousand, eight hundred ninety-three".