12553900 has 18 divisors (see below), whose sum is σ = 27242180. Its totient is φ = 5021520.

The previous prime is 12553859. The next prime is 12553901. The reversal of 12553900 is 935521.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12553901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62670 + ... + 62869.

Almost surely, 2^12553900 is an apocalyptic number.

12553900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12553900 is an abundant number, since it is smaller than the sum of its proper divisors (14688280).

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

12553900 is a wasteful number, since it uses less digits than its factorization.

12553900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125553 (or 125546 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 12553900 is about 3543.1483175278. The cubic root of 12553900 is about 232.4125388842.

The spelling of 12553900 in words is "twelve million, five hundred fifty-three thousand, nine hundred".