12797712 has 30 divisors (see below), whose sum is σ = 35816222. Its totient is φ = 4265856.

The previous prime is 12797669. The next prime is 12797713. The reversal of 12797712 is 21779721.

It can be written as a sum of positive squares in only one way, i.e., 11943936 + 853776 = 3456^2 + 924^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12797713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44293 + ... + 44580.

Almost surely, 2^12797712 is an apocalyptic number.

12797712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12797712 is an abundant number, since it is smaller than the sum of its proper divisors (23018510).

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

12797712 is a wasteful number, since it uses less digits than its factorization.

12797712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88887 (or 88878 counting only the distinct ones).

The product of its digits is 12348, while the sum is 36.

The square root of 12797712 is about 3577.3889919884. The cubic root of 12797712 is about 233.9074804086.

Subtracting 12797712 from its reverse (21779721), we obtain a square (8982009 = 2997²).

The spelling of 12797712 in words is "twelve million, seven hundred ninety-seven thousand, seven hundred twelve".