12736379 has 4 divisors (see below), whose sum is σ = 12749184. Its totient is φ = 12723576.

The previous prime is 12736369. The next prime is 12736429. The reversal of 12736379 is 97363721.

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

It is a cyclic number.

It is not a de Polignac number, because 12736379 - 2⁸ = 12736123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12736309) 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, 4772 + ... + 6945.

It is an arithmetic number, because the mean of its divisors is an integer number (3187296).

Almost surely, 2^12736379 is an apocalyptic number.

12736379 is a deficient number, since it is larger than the sum of its proper divisors (12805).

12736379 is a wasteful number, since it uses less digits than its factorization.

12736379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804.

The product of its digits is 47628, while the sum is 38.

The square root of 12736379 is about 3568.8063830923. The cubic root of 12736379 is about 233.5332148933.

The spelling of 12736379 in words is "twelve million, seven hundred thirty-six thousand, three hundred seventy-nine".