12632964477 has 16 divisors (see below), whose sum is σ = 19256522880. Its totient is φ = 7216477632.

The previous prime is 12632964457. The next prime is 12632964479. The reversal of 12632964477 is 77446923621.

It is a happy number.

It is not a de Polignac number, because 12632964477 - 2⁶ = 12632964413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632964479) 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, 31458 + ... + 162035.

It is an arithmetic number, because the mean of its divisors is an integer number (1203532680).

Almost surely, 2^12632964477 is an apocalyptic number.

It is an amenable number.

12632964477 is a deficient number, since it is larger than the sum of its proper divisors (6623558403).

12632964477 is a wasteful number, since it uses less digits than its factorization.

12632964477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196612.

The product of its digits is 3048192, while the sum is 51.

The spelling of 12632964477 in words is "twelve billion, six hundred thirty-two million, nine hundred sixty-four thousand, four hundred seventy-seven".