12739502 has 8 divisors (see below), whose sum is σ = 19129176. Its totient is φ = 6363112.

The previous prime is 12739487. The next prime is 12739513. The reversal of 12739502 is 20593721.

12739502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12739502² = 324589822416008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (2391147).

Almost surely, 2^12739502 is an apocalyptic number.

12739502 is a deficient number, since it is larger than the sum of its proper divisors (6389674).

12739502 is a wasteful number, since it uses less digits than its factorization.

12739502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6642.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 12739502 is about 3569.2438975223. The cubic root of 12739502 is about 233.5523010252.

The spelling of 12739502 in words is "twelve million, seven hundred thirty-nine thousand, five hundred two".