13979741 has 2 divisors, whose sum is σ = 13979742. Its totient is φ = 13979740.

The previous prime is 13979723. The next prime is 13979743. The reversal of 13979741 is 14797931.

13979741 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., 8826841 + 5152900 = 2971^2 + 2270^2 .

It is a cyclic number.

It is not a de Polignac number, because 13979741 - 2⁶ = 13979677 is a prime.

It is a Sophie Germain prime.

Together with 13979743, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13979743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6989870 + 6989871.

It is an arithmetic number, because the mean of its divisors is an integer number (6989871).

Almost surely, 2^13979741 is an apocalyptic number.

It is an amenable number.

13979741 is a deficient number, since it is larger than the sum of its proper divisors (1).

13979741 is an equidigital number, since it uses as much as digits as its factorization.

13979741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 13979741 is about 3738.9491839286. The cubic root of 13979741 is about 240.8979153624.

The spelling of 13979741 in words is "thirteen million, nine hundred seventy-nine thousand, seven hundred forty-one".