12953987800 has 96 divisors (see below), whose sum is σ = 32542448400. Its totient is φ = 4767137280.

The previous prime is 12953987741. The next prime is 12953987857. The reversal of 12953987800 is 878935921.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 790086 + ... + 806314.

Almost surely, 2^12953987800 is an apocalyptic number.

12953987800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12953987800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16271224200).

12953987800 is an abundant number, since it is smaller than the sum of its proper divisors (19588460600).

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

12953987800 is a wasteful number, since it uses less digits than its factorization.

12953987800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16565 (or 16556 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 12953987800 in words is "twelve billion, nine hundred fifty-three million, nine hundred eighty-seven thousand, eight hundred".