12983951 has 4 divisors (see below), whose sum is σ = 13026552. Its totient is φ = 12941352.

The previous prime is 12983941. The next prime is 12983959. The reversal of 12983951 is 15938921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15938921 = 89 ⋅179089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12983951 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 (12983959) 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, 20840 + ... + 21453.

It is an arithmetic number, because the mean of its divisors is an integer number (3256638).

Almost surely, 2^12983951 is an apocalyptic number.

12983951 is a deficient number, since it is larger than the sum of its proper divisors (42601).

12983951 is an equidigital number, since it uses as much as digits as its factorization.

12983951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42600.

The product of its digits is 19440, while the sum is 38.

The square root of 12983951 is about 3603.3249922814. The cubic root of 12983951 is about 235.0366684897.

The spelling of 12983951 in words is "twelve million, nine hundred eighty-three thousand, nine hundred fifty-one".