12797937 has 12 divisors (see below), whose sum is σ = 18517044. Its totient is φ = 8517600.

The previous prime is 12797929. The next prime is 12797951. The reversal of 12797937 is 73979721.

It can be written as a sum of positive squares in 2 ways, for example, as 5875776 + 6922161 = 2424^2 + 2631^2 .

It is not a de Polignac number, because 12797937 - 2³ = 12797929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12797892 and 12797901.

It is not an unprimeable number, because it can be changed into a prime (12797927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9187 + ... + 10487.

It is an arithmetic number, because the mean of its divisors is an integer number (1543087).

Almost surely, 2^12797937 is an apocalyptic number.

It is an amenable number.

12797937 is a deficient number, since it is larger than the sum of its proper divisors (5719107).

12797937 is a wasteful number, since it uses less digits than its factorization.

12797937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2397 counting only the distinct ones).

The product of its digits is 166698, while the sum is 45.

The square root of 12797937 is about 3577.4204393669. The cubic root of 12797937 is about 233.9088511972.

It can be divided in two parts, 1279 and 7937, that added together give a square (9216 = 96²).

The spelling of 12797937 in words is "twelve million, seven hundred ninety-seven thousand, nine hundred thirty-seven".