12970613 has 4 divisors (see below), whose sum is σ = 13183308. Its totient is φ = 12757920.

The previous prime is 12970583. The next prime is 12970651. The reversal of 12970613 is 31607921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4072324 + 8898289 = 2018^2 + 2983^2 .

It is a cyclic number.

It is not a de Polignac number, because 12970613 - 2⁸ = 12970357 is a prime.

It is a super-3 number, since 3×12970613³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12970663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106256 + ... + 106377.

It is an arithmetic number, because the mean of its divisors is an integer number (3295827).

Almost surely, 2^12970613 is an apocalyptic number.

It is an amenable number.

12970613 is a deficient number, since it is larger than the sum of its proper divisors (212695).

12970613 is an equidigital number, since it uses as much as digits as its factorization.

12970613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212694.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12970613 is about 3601.4737261293. The cubic root of 12970613 is about 234.9561590165.

The spelling of 12970613 in words is "twelve million, nine hundred seventy thousand, six hundred thirteen".