13972943 has 2 divisors, whose sum is σ = 13972944. Its totient is φ = 13972942.

The previous prime is 13972901. The next prime is 13972949. The reversal of 13972943 is 34927931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13972943 - 2¹² = 13968847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13972897 and 13972906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13972949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6986471 + 6986472.

It is an arithmetic number, because the mean of its divisors is an integer number (6986472).

Almost surely, 2^13972943 is an apocalyptic number.

13972943 is a deficient number, since it is larger than the sum of its proper divisors (1).

13972943 is an equidigital number, since it uses as much as digits as its factorization.

13972943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 13972943 is about 3738.0399944356. The cubic root of 13972943 is about 240.8588614785.

The spelling of 13972943 in words is "thirteen million, nine hundred seventy-two thousand, nine hundred forty-three".