712018013 has 32 divisors (see below), whose sum is σ = 867041280. Its totient is φ = 571824000.

The previous prime is 712018009. The next prime is 712018031. The reversal of 712018013 is 310810217.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 712018013 - 2² = 712018009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712018013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712018093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1699118 + ... + 1699536.

It is an arithmetic number, because the mean of its divisors is an integer number (27095040).

Almost surely, 2^712018013 is an apocalyptic number.

It is an amenable number.

712018013 is a deficient number, since it is larger than the sum of its proper divisors (155023267).

712018013 is a wasteful number, since it uses less digits than its factorization.

712018013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 712018013 is about 26683.6656589757. The cubic root of 712018013 is about 892.9565493393.

The spelling of 712018013 in words is "seven hundred twelve million, eighteen thousand, thirteen".