12900552 has 64 divisors (see below), whose sum is σ = 39035520. Its totient is φ = 3468288.

The previous prime is 12900551. The next prime is 12900553. The reversal of 12900552 is 25500921.

It is an interprime number because it is at equal distance from previous prime (12900551) and next prime (12900553).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12900551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598 + ... + 5114.

It is an arithmetic number, because the mean of its divisors is an integer number (609930).

Almost surely, 2^12900552 is an apocalyptic number.

12900552 is a gapful number since it is divisible by the number (12) 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 12900552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19517760).

12900552 is an abundant number, since it is smaller than the sum of its proper divisors (26134968).

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

12900552 is a wasteful number, since it uses less digits than its factorization.

12900552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550 (or 4546 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 12900552 is about 3591.7338431460. The cubic root of 12900552 is about 234.5323550600.

The spelling of 12900552 in words is "twelve million, nine hundred thousand, five hundred fifty-two".