712930881 has 16 divisors (see below), whose sum is σ = 1024976960. Its totient is φ = 438177600.

The previous prime is 712930873. The next prime is 712930903. The reversal of 712930881 is 188039217.

It is not a de Polignac number, because 712930881 - 2³ = 712930873 is a prime.

It is a super-2 number, since 2×712930881² = 1016540882166872322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712930081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21306 + ... + 43356.

It is an arithmetic number, because the mean of its divisors is an integer number (64061060).

Almost surely, 2^712930881 is an apocalyptic number.

It is an amenable number.

712930881 is a deficient number, since it is larger than the sum of its proper divisors (312046079).

712930881 is a wasteful number, since it uses less digits than its factorization.

712930881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22896.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 712930881 is about 26700.7655508227. The cubic root of 712930881 is about 893.3380019279.

The spelling of 712930881 in words is "seven hundred twelve million, nine hundred thirty thousand, eight hundred eighty-one".