12679437 has 4 divisors (see below), whose sum is σ = 16905920. Its totient is φ = 8452956.

The previous prime is 12679427. The next prime is 12679451. The reversal of 12679437 is 73497621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12679437 - 2⁷ = 12679309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12679395 and 12679404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12679427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2113237 + ... + 2113242.

It is an arithmetic number, because the mean of its divisors is an integer number (4226480).

Almost surely, 2^12679437 is an apocalyptic number.

It is an amenable number.

12679437 is a deficient number, since it is larger than the sum of its proper divisors (4226483).

12679437 is an equidigital number, since it uses as much as digits as its factorization.

12679437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226482.

The product of its digits is 63504, while the sum is 39.

The square root of 12679437 is about 3560.8197089996. The cubic root of 12679437 is about 233.1846669766.

The spelling of 12679437 in words is "twelve million, six hundred seventy-nine thousand, four hundred thirty-seven".