712916839 has 4 divisors (see below), whose sum is σ = 715490824. Its totient is φ = 710342856.

The previous prime is 712916819. The next prime is 712916843. The reversal of 712916839 is 938619217.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938619217 = 1613 ⋅581909.

It is a cyclic number.

It is not a de Polignac number, because 712916839 - 2⁹ = 712916327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712916819) 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, 1286577 + ... + 1287130.

It is an arithmetic number, because the mean of its divisors is an integer number (178872706).

Almost surely, 2^712916839 is an apocalyptic number.

712916839 is a deficient number, since it is larger than the sum of its proper divisors (2573985).

712916839 is a wasteful number, since it uses less digits than its factorization.

712916839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573984.

The product of its digits is 163296, while the sum is 46.

The square root of 712916839 is about 26700.5025982658. The cubic root of 712916839 is about 893.3321367803.

The spelling of 712916839 in words is "seven hundred twelve million, nine hundred sixteen thousand, eight hundred thirty-nine".