812713036 has 12 divisors (see below), whose sum is σ = 1424102680. Its totient is φ = 405826560.

The previous prime is 812713021. The next prime is 812713037. The reversal of 812713036 is 630317218.

It is a junction number, because it is equal to n+sod(n) for n = 812712989 and 812713007.

It is not an unprimeable number, because it can be changed into a prime (812713037) 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, 129030 + ... + 135181.

Almost surely, 2^812713036 is an apocalyptic number.

It is an amenable number.

812713036 is a deficient number, since it is larger than the sum of its proper divisors (611389644).

812713036 is a wasteful number, since it uses less digits than its factorization.

812713036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264984 (or 264982 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 812713036 is about 28508.1222812026. The cubic root of 812713036 is about 933.2093368721.

The spelling of 812713036 in words is "eight hundred twelve million, seven hundred thirteen thousand, thirty-six".