12937999 has 4 divisors (see below), whose sum is σ = 13066200. Its totient is φ = 12809800.

The previous prime is 12937997. The next prime is 12938017. The reversal of 12937999 is 99973921.

12937999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12937999 - 2¹ = 12937997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63949 + ... + 64150.

It is an arithmetic number, because the mean of its divisors is an integer number (3266550).

Almost surely, 2^12937999 is an apocalyptic number.

12937999 is a deficient number, since it is larger than the sum of its proper divisors (128201).

12937999 is a wasteful number, since it uses less digits than its factorization.

12937999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128200.

The product of its digits is 275562, while the sum is 49.

The square root of 12937999 is about 3596.9430076108. The cubic root of 12937999 is about 234.7590649703.

The spelling of 12937999 in words is "twelve million, nine hundred thirty-seven thousand, nine hundred ninety-nine".