12993345 has 32 divisors (see below), whose sum is σ = 23337600. Its totient is φ = 6858432.

The previous prime is 12993329. The next prime is 12993373. The reversal of 12993345 is 54339921.

It is a happy number.

It is not a de Polignac number, because 12993345 - 2⁴ = 12993329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14274 + ... + 15156.

It is an arithmetic number, because the mean of its divisors is an integer number (729300).

Almost surely, 2^12993345 is an apocalyptic number.

12993345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12993345 is a deficient number, since it is larger than the sum of its proper divisors (10344255).

12993345 is a wasteful number, since it uses less digits than its factorization.

12993345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1000 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 12993345 is about 3604.6282748711. The cubic root of 12993345 is about 235.0933385072.

The spelling of 12993345 in words is "twelve million, nine hundred ninety-three thousand, three hundred forty-five".