13946657 has 2 divisors, whose sum is σ = 13946658. Its totient is φ = 13946656.

The previous prime is 13946623. The next prime is 13946687. The reversal of 13946657 is 75664931.

13946657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11826721 + 2119936 = 3439^2 + 1456^2 .

It is an emirp because it is prime and its reverse (75664931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13946657 - 2¹⁸ = 13684513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13946617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6973328 + 6973329.

It is an arithmetic number, because the mean of its divisors is an integer number (6973329).

Almost surely, 2^13946657 is an apocalyptic number.

It is an amenable number.

13946657 is a deficient number, since it is larger than the sum of its proper divisors (1).

13946657 is an equidigital number, since it uses as much as digits as its factorization.

13946657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 13946657 is about 3734.5223255458. The cubic root of 13946657 is about 240.7077315340.

The spelling of 13946657 in words is "thirteen million, nine hundred forty-six thousand, six hundred fifty-seven".