12993672 has 32 divisors (see below), whose sum is σ = 32788800. Its totient is φ = 4290624.

The previous prime is 12993649. The next prime is 12993677. The reversal of 12993672 is 27639921.

It is a self number, because there is not a number n which added to its sum of digits gives 12993672.

It is not an unprimeable number, because it can be changed into a prime (12993677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (1024650).

Almost surely, 2^12993672 is an apocalyptic number.

12993672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12993672 is an abundant number, since it is smaller than the sum of its proper divisors (19795128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12993672 is a wasteful number, since it uses less digits than its factorization.

12993672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085 (or 5081 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 12993672 is about 3604.6736329382. The cubic root of 12993672 is about 235.0953106674.

The spelling of 12993672 in words is "twelve million, nine hundred ninety-three thousand, six hundred seventy-two".