12552920 has 64 divisors (see below), whose sum is σ = 30240000. Its totient is φ = 4675968.

The previous prime is 12552907. The next prime is 12552931. The reversal of 12552920 is 2925521.

It is a self number, because there is not a number n which added to its sum of digits gives 12552920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62981 + ... + 63179.

It is an arithmetic number, because the mean of its divisors is an integer number (472500).

Almost surely, 2^12552920 is an apocalyptic number.

12552920 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 12552920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15120000).

12552920 is an abundant number, since it is smaller than the sum of its proper divisors (17687080).

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

12552920 is a wasteful number, since it uses less digits than its factorization.

12552920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 12552920 is about 3543.0100197431. The cubic root of 12552920 is about 232.4064910899.

The spelling of 12552920 in words is "twelve million, five hundred fifty-two thousand, nine hundred twenty".