83630012 has 12 divisors (see below), whose sum is σ = 149756376. Its totient is φ = 40842480.

The previous prime is 83630009. The next prime is 83630017. The reversal of 83630012 is 21003638.

It is a self number, because there is not a number n which added to its sum of digits gives 83630012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83630017) 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, 242939 + ... + 243282.

It is an arithmetic number, because the mean of its divisors is an integer number (12479698).

Almost surely, 2^83630012 is an apocalyptic number.

It is an amenable number.

83630012 is a deficient number, since it is larger than the sum of its proper divisors (66126364).

83630012 is a wasteful number, since it uses less digits than its factorization.

83630012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486268 (or 486266 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 83630012 is about 9144.9446143757. The cubic root of 83630012 is about 437.3079638289.

The spelling of 83630012 in words is "eighty-three million, six hundred thirty thousand, twelve".