812013735 has 96 divisors (see below), whose sum is σ = 1547389440. Its totient is φ = 361760256.

The previous prime is 812013707. The next prime is 812013737. The reversal of 812013735 is 537310218.

It is not a de Polignac number, because 812013735 - 2⁸ = 812013479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812013737) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1107429 + ... + 1108161.

It is an arithmetic number, because the mean of its divisors is an integer number (16118640).

Almost surely, 2^812013735 is an apocalyptic number.

812013735 is a deficient number, since it is larger than the sum of its proper divisors (735375705).

812013735 is a wasteful number, since it uses less digits than its factorization.

812013735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 812013735 is about 28495.8546985347. The cubic root of 812013735 is about 932.9415992826.

The spelling of 812013735 in words is "eight hundred twelve million, thirteen thousand, seven hundred thirty-five".