12637656654 has 16 divisors (see below), whose sum is σ = 28886072448. Its totient is φ = 3610759032.

The previous prime is 12637656649. The next prime is 12637656667. The reversal of 12637656654 is 45665673621.

12637656654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12637656597 and 12637656606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150448252 + ... + 150448335.

It is an arithmetic number, because the mean of its divisors is an integer number (1805379528).

Almost surely, 2^12637656654 is an apocalyptic number.

12637656654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12637656654 is an abundant number, since it is smaller than the sum of its proper divisors (16248415794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12637656654 is a wasteful number, since it uses less digits than its factorization.

12637656654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300896599.

The product of its digits is 5443200, while the sum is 51.

The spelling of 12637656654 in words is "twelve billion, six hundred thirty-seven million, six hundred fifty-six thousand, six hundred fifty-four".