12996983 has 4 divisors (see below), whose sum is σ = 13125768. Its totient is φ = 12868200.

The previous prime is 12996979. The next prime is 12996989. The reversal of 12996983 is 38969921.

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 12996983 - 2² = 12996979 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 (12996989) 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, 64241 + ... + 64442.

It is an arithmetic number, because the mean of its divisors is an integer number (3281442).

Almost surely, 2^12996983 is an apocalyptic number.

12996983 is a deficient number, since it is larger than the sum of its proper divisors (128785).

12996983 is a wasteful number, since it uses less digits than its factorization.

12996983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128784.

The product of its digits is 209952, while the sum is 47.

The square root of 12996983 is about 3605.1328685639. The cubic root of 12996983 is about 235.1152776808.

The spelling of 12996983 in words is "twelve million, nine hundred ninety-six thousand, nine hundred eighty-three".