80513012 has 24 divisors (see below), whose sum is σ = 145118400. Its totient is φ = 39061440.

The previous prime is 80512987. The next prime is 80513033. The reversal of 80513012 is 21031508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31403 + ... + 33869.

It is an arithmetic number, because the mean of its divisors is an integer number (6046600).

Almost surely, 2^80513012 is an apocalyptic number.

80513012 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

80513012 is a deficient number, since it is larger than the sum of its proper divisors (64605388).

80513012 is a wasteful number, since it uses less digits than its factorization.

80513012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 80513012 is about 8972.9043235733. The cubic root of 80513012 is about 431.8060185907.

The spelling of 80513012 in words is "eighty million, five hundred thirteen thousand, twelve".