13902943 has 2 divisors, whose sum is σ = 13902944. Its totient is φ = 13902942.

The previous prime is 13902893. The next prime is 13902947. The reversal of 13902943 is 34920931.

13902943 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13902943 - 2⁹ = 13902431 is a prime.

It is a super-2 number, since 2×13902943² = 386583648122498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13902947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951471 + 6951472.

It is an arithmetic number, because the mean of its divisors is an integer number (6951472).

Almost surely, 2^13902943 is an apocalyptic number.

13902943 is a deficient number, since it is larger than the sum of its proper divisors (1).

13902943 is an equidigital number, since it uses as much as digits as its factorization.

13902943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 13902943 is about 3728.6650426124. The cubic root of 13902943 is about 240.4559791952.

The spelling of 13902943 in words is "thirteen million, nine hundred two thousand, nine hundred forty-three".