12621952 has 32 divisors (see below), whose sum is σ = 28739520. Its totient is φ = 5409024.

The previous prime is 12621949. The next prime is 12621967. The reversal of 12621952 is 25912621.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12621952.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6148 + ... + 7939.

It is an arithmetic number, because the mean of its divisors is an integer number (898110).

Almost surely, 2^12621952 is an apocalyptic number.

It is an amenable number.

12621952 is an abundant number, since it is smaller than the sum of its proper divisors (16117568).

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

12621952 is an equidigital number, since it uses as much as digits as its factorization.

12621952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14108 (or 14096 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 12621952 is about 3552.7386619339. The cubic root of 12621952 is about 232.8317351823.

The spelling of 12621952 in words is "twelve million, six hundred twenty-one thousand, nine hundred fifty-two".