12731792 has 10 divisors (see below), whose sum is σ = 24667878. Its totient is φ = 6365888.

The previous prime is 12731779. The next prime is 12731813. The reversal of 12731792 is 29713721.

It can be written as a sum of positive squares in only one way, i.e., 11723776 + 1008016 = 3424^2 + 1004^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397853 + ... + 397884.

Almost surely, 2^12731792 is an apocalyptic number.

It is an amenable number.

12731792 is a deficient number, since it is larger than the sum of its proper divisors (11936086).

12731792 is an equidigital number, since it uses as much as digits as its factorization.

12731792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795745 (or 795739 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 12731792 is about 3568.1636733760. The cubic root of 12731792 is about 233.5051759067.

The spelling of 12731792 in words is "twelve million, seven hundred thirty-one thousand, seven hundred ninety-two".