12634613140 has 12 divisors (see below), whose sum is σ = 26532687636. Its totient is φ = 5053845248.

The previous prime is 12634613099. The next prime is 12634613153. The reversal of 12634613140 is 4131643621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2844302224 + 9790310916 = 53332^2 + 98946^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315865309 + ... + 315865348.

It is an arithmetic number, because the mean of its divisors is an integer number (2211057303).

Almost surely, 2^12634613140 is an apocalyptic number.

12634613140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12634613140 is an abundant number, since it is smaller than the sum of its proper divisors (13898074496).

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

12634613140 is a wasteful number, since it uses less digits than its factorization.

12634613140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631730666 (or 631730664 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 12634613140 in words is "twelve billion, six hundred thirty-four million, six hundred thirteen thousand, one hundred forty".