12739795 has 4 divisors (see below), whose sum is σ = 15287760. Its totient is φ = 10191832.

The previous prime is 12739763. The next prime is 12739799. The reversal of 12739795 is 59793721.

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 12739795 - 2⁵ = 12739763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12739799) 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, 1273975 + ... + 1273984.

It is an arithmetic number, because the mean of its divisors is an integer number (3821940).

Almost surely, 2^12739795 is an apocalyptic number.

12739795 is a deficient number, since it is larger than the sum of its proper divisors (2547965).

12739795 is an equidigital number, since it uses as much as digits as its factorization.

12739795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547964.

The product of its digits is 119070, while the sum is 43.

The square root of 12739795 is about 3569.2849423939. The cubic root of 12739795 is about 233.5540915269.

The spelling of 12739795 in words is "twelve million, seven hundred thirty-nine thousand, seven hundred ninety-five".