12653000400 has 60 divisors (see below), whose sum is σ = 40531781792. Its totient is φ = 3374133120.

The previous prime is 12653000377. The next prime is 12653000441. The reversal of 12653000400 is 400035621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5270884 + ... + 5273283.

Almost surely, 2^12653000400 is an apocalyptic number.

12653000400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12653000400 is an abundant number, since it is smaller than the sum of its proper divisors (27878781392).

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

12653000400 is a wasteful number, since it uses less digits than its factorization.

12653000400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544188 (or 10544177 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The spelling of 12653000400 in words is "twelve billion, six hundred fifty-three million, four hundred", and thus it is an aban number.