13972951 has 2 divisors, whose sum is σ = 13972952. Its totient is φ = 13972950.

The previous prime is 13972949. The next prime is 13972969. The reversal of 13972951 is 15927931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13972951 - 2¹ = 13972949 is a prime.

Together with 13972949, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13972951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13972901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6986475 + 6986476.

It is an arithmetic number, because the mean of its divisors is an integer number (6986476).

Almost surely, 2^13972951 is an apocalyptic number.

13972951 is a deficient number, since it is larger than the sum of its proper divisors (1).

13972951 is an equidigital number, since it uses as much as digits as its factorization.

13972951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 37.

The square root of 13972951 is about 3738.0410645149. The cubic root of 13972951 is about 240.8589074452.

The spelling of 13972951 in words is "thirteen million, nine hundred seventy-two thousand, nine hundred fifty-one".