12963867492 has 12 divisors (see below), whose sum is σ = 30249024176. Its totient is φ = 4321289160.

The previous prime is 12963867479. The next prime is 12963867503. The reversal of 12963867492 is 29476836921.

It is a tau number, because it is divible by the number of its divisors (12).

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, 540161134 + ... + 540161157.

Almost surely, 2^12963867492 is an apocalyptic number.

12963867492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12963867492 is an abundant number, since it is smaller than the sum of its proper divisors (17285156684).

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

12963867492 is a wasteful number, since it uses less digits than its factorization.

12963867492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080322298 (or 1080322296 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The spelling of 12963867492 in words is "twelve billion, nine hundred sixty-three million, eight hundred sixty-seven thousand, four hundred ninety-two".