12757792 has 12 divisors (see below), whose sum is σ = 25116966. Its totient is φ = 6378880.

The previous prime is 12757781. The next prime is 12757807. The reversal of 12757792 is 29775721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12702096 + 55696 = 3564^2 + 236^2 .

It is a super-2 number, since 2×12757792² = 325522513430528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199309 + ... + 199372.

Almost surely, 2^12757792 is an apocalyptic number.

It is an amenable number.

12757792 is a deficient number, since it is larger than the sum of its proper divisors (12359174).

12757792 is an equidigital number, since it uses as much as digits as its factorization.

12757792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398691 (or 398683 counting only the distinct ones).

The product of its digits is 61740, while the sum is 40.

The square root of 12757792 is about 3571.8051458611. The cubic root of 12757792 is about 233.6640172955.

The spelling of 12757792 in words is "twelve million, seven hundred fifty-seven thousand, seven hundred ninety-two".