12970837 has 6 divisors (see below), whose sum is σ = 14257334. Its totient is φ = 11791560.

The previous prime is 12970829. The next prime is 12970843. The reversal of 12970837 is 73807921.

It can be written as a sum of positive squares in only one way, i.e., 6625476 + 6345361 = 2574^2 + 2519^2 .

It is not a de Polignac number, because 12970837 - 2³ = 12970829 is a prime.

It is a super-2 number, since 2×12970837² = 336485224961138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12970796 and 12970805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12970807) 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, 53478 + ... + 53719.

Almost surely, 2^12970837 is an apocalyptic number.

It is an amenable number.

12970837 is a deficient number, since it is larger than the sum of its proper divisors (1286497).

12970837 is a wasteful number, since it uses less digits than its factorization.

12970837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107219 (or 107208 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 12970837 is about 3601.5048243755. The cubic root of 12970837 is about 234.9575115579.

The spelling of 12970837 in words is "twelve million, nine hundred seventy thousand, eight hundred thirty-seven".