80605012 has 12 divisors (see below), whose sum is σ = 141511636. Its totient is φ = 40173120.

The previous prime is 80605003. The next prime is 80605013. The reversal of 80605012 is 21050608.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22905796 + 57699216 = 4786^2 + 7596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80605013) 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, 30939 + ... + 33442.

Almost surely, 2^80605012 is an apocalyptic number.

It is an amenable number.

80605012 is a deficient number, since it is larger than the sum of its proper divisors (60906624).

80605012 is a wasteful number, since it uses less digits than its factorization.

80605012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64698 (or 64696 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 80605012 is about 8978.0294051646. The cubic root of 80605012 is about 431.9704269308.

The spelling of 80605012 in words is "eighty million, six hundred five thousand, twelve".