12696190438 has 8 divisors (see below), whose sum is σ = 19060552440. Its totient is φ = 6342672960.

The previous prime is 12696190411. The next prime is 12696190477. The reversal of 12696190438 is 83409169621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12696190438² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12696190391 and 12696190400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708203 + ... + 2712886.

It is an arithmetic number, because the mean of its divisors is an integer number (2382569055).

Almost surely, 2^12696190438 is an apocalyptic number.

12696190438 is a deficient number, since it is larger than the sum of its proper divisors (6364362002).

12696190438 is a wasteful number, since it uses less digits than its factorization.

12696190438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422262.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 12696190438 in words is "twelve billion, six hundred ninety-six million, one hundred ninety thousand, four hundred thirty-eight".