99713812 has 12 divisors (see below), whose sum is σ = 190362816. Its totient is φ = 45324440.

The previous prime is 99713797. The next prime is 99713813. The reversal of 99713812 is 21831799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99713813) 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, 1133068 + ... + 1133155.

It is an arithmetic number, because the mean of its divisors is an integer number (15863568).

Almost surely, 2^99713812 is an apocalyptic number.

It is an amenable number.

99713812 is a deficient number, since it is larger than the sum of its proper divisors (90649004).

99713812 is a wasteful number, since it uses less digits than its factorization.

99713812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266238 (or 2266236 counting only the distinct ones).

The product of its digits is 27216, while the sum is 40.

The square root of 99713812 is about 9985.6803473774. The cubic root of 99713812 is about 463.7156712770.

The spelling of 99713812 in words is "ninety-nine million, seven hundred thirteen thousand, eight hundred twelve".