12791332 has 24 divisors (see below), whose sum is σ = 24071040. Its totient is φ = 5928480.

The previous prime is 12791323. The next prime is 12791333. The reversal of 12791332 is 23319721.

It is a self number, because there is not a number n which added to its sum of digits gives 12791332.

It is not an unprimeable number, because it can be changed into a prime (12791333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782 + ... + 5362.

It is an arithmetic number, because the mean of its divisors is an integer number (1002960).

Almost surely, 2^12791332 is an apocalyptic number.

It is an amenable number.

12791332 is a deficient number, since it is larger than the sum of its proper divisors (11279708).

12791332 is a wasteful number, since it uses less digits than its factorization.

12791332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651 (or 3649 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 12791332 is about 3576.4971690189. The cubic root of 12791332 is about 233.8686042464.

The spelling of 12791332 in words is "twelve million, seven hundred ninety-one thousand, three hundred thirty-two".