12692313 has 6 divisors (see below), whose sum is σ = 18333354. Its totient is φ = 8461536.

The previous prime is 12692311. The next prime is 12692333. The reversal of 12692313 is 31329621.

12692313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10478169 + 2214144 = 3237^2 + 1488^2 .

It is not a de Polignac number, because 12692313 - 2¹ = 12692311 is a prime.

It is a super-2 number, since 2×12692313² = 322189618579938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12692311) 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, 705120 + ... + 705137.

It is an arithmetic number, because the mean of its divisors is an integer number (3055559).

Almost surely, 2^12692313 is an apocalyptic number.

It is an amenable number.

12692313 is a deficient number, since it is larger than the sum of its proper divisors (5641041).

12692313 is a wasteful number, since it uses less digits than its factorization.

12692313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410263 (or 1410260 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 12692313 is about 3562.6272608849. The cubic root of 12692313 is about 233.2635734770.

The spelling of 12692313 in words is "twelve million, six hundred ninety-two thousand, three hundred thirteen".