12993336 has 24 divisors (see below), whose sum is σ = 35190480. Its totient is φ = 4331088.

The previous prime is 12993329. The next prime is 12993373. The reversal of 12993336 is 63339921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12993336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90160 + ... + 90303.

It is an arithmetic number, because the mean of its divisors is an integer number (1466270).

Almost surely, 2^12993336 is an apocalyptic number.

It is an amenable number.

12993336 is an abundant number, since it is smaller than the sum of its proper divisors (22197144).

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

12993336 is a wasteful number, since it uses less digits than its factorization.

12993336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180475 (or 180468 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The square root of 12993336 is about 3604.6270264758. The cubic root of 12993336 is about 235.0932842270.

The spelling of 12993336 in words is "twelve million, nine hundred ninety-three thousand, three hundred thirty-six".