12993736 has 32 divisors (see below), whose sum is σ = 27967680. Its totient is φ = 5544000.

The previous prime is 12993731. The next prime is 12993737. The reversal of 12993736 is 63739921.

It is not an unprimeable number, because it can be changed into a prime (12993731) 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, 18186 + ... + 18886.

It is an arithmetic number, because the mean of its divisors is an integer number (873990).

Almost surely, 2^12993736 is an apocalyptic number.

It is an amenable number.

12993736 is an abundant number, since it is smaller than the sum of its proper divisors (14973944).

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

12993736 is a wasteful number, since it uses less digits than its factorization.

12993736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1041 counting only the distinct ones).

The product of its digits is 61236, while the sum is 40.

The square root of 12993736 is about 3604.6825102913. The cubic root of 12993736 is about 235.0956966521.

The spelling of 12993736 in words is "twelve million, nine hundred ninety-three thousand, seven hundred thirty-six".