12791552 has 36 divisors (see below), whose sum is σ = 26428920. Its totient is φ = 6171648.

The previous prime is 12791543. The next prime is 12791563. The reversal of 12791552 is 25519721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 6563 + ... + 8285.

Almost surely, 2^12791552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12791552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13214460).

12791552 is an abundant number, since it is smaller than the sum of its proper divisors (13637368).

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

12791552 is an equidigital number, since it uses as much as digits as its factorization.

12791552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768 (or 1754 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 12791552 is about 3576.5279252370. The cubic root of 12791552 is about 233.8699450189.

The spelling of 12791552 in words is "twelve million, seven hundred ninety-one thousand, five hundred fifty-two".