12553880 has 32 divisors (see below), whose sum is σ = 28371600. Its totient is φ = 4999296.

The previous prime is 12553859. The next prime is 12553901. The reversal of 12553880 is 8835521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12553859) and next prime (12553901).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10766 + ... + 11874.

Almost surely, 2^12553880 is an apocalyptic number.

12553880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12553880 is an abundant number, since it is smaller than the sum of its proper divisors (15817720).

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

12553880 is a wasteful number, since it uses less digits than its factorization.

12553880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 12553880 is about 3543.1454951780. The cubic root of 12553880 is about 232.4124154630.

The spelling of 12553880 in words is "twelve million, five hundred fifty-three thousand, eight hundred eighty".