12996933408 has 60 divisors (see below), whose sum is σ = 38223627750. Its totient is φ = 4332310272.

The previous prime is 12996933407. The next prime is 12996933431. The reversal of 12996933408 is 80433969921.

12996933408 is a `hidden beast` number, since 1 + 299 + 6 + 9 + 3 + 340 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8184459024 + 4812474384 = 90468^2 + 69372^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (12996933407) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2504533 + ... + 2509716.

Almost surely, 2^12996933408 is an apocalyptic number.

12996933408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12996933408 is an abundant number, since it is smaller than the sum of its proper divisors (25226694342).

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

12996933408 is an equidigital number, since it uses as much as digits as its factorization.

12996933408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014271 (or 5014254 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 12996933408 in words is "twelve billion, nine hundred ninety-six million, nine hundred thirty-three thousand, four hundred eight".