12591952 has 40 divisors (see below), whose sum is σ = 25712640. Its totient is φ = 5965440.

The previous prime is 12591949. The next prime is 12591959. The reversal of 12591952 is 25919521.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12591959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26049 + ... + 26527.

It is an arithmetic number, because the mean of its divisors is an integer number (642816).

Almost surely, 2^12591952 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 12591952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12856320).

12591952 is an abundant number, since it is smaller than the sum of its proper divisors (13120688).

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

12591952 is a wasteful number, since it uses less digits than its factorization.

12591952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 565 counting only the distinct ones).

The product of its digits is 8100, while the sum is 34.

The square root of 12591952 is about 3548.5140552068. The cubic root of 12591952 is about 232.6471231312.

The spelling of 12591952 in words is "twelve million, five hundred ninety-one thousand, nine hundred fifty-two".