13974577 has 2 divisors, whose sum is σ = 13974578. Its totient is φ = 13974576.

The previous prime is 13974533. The next prime is 13974599. The reversal of 13974577 is 77547931.

13974577 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., 11182336 + 2792241 = 3344^2 + 1671^2 .

It is a cyclic number.

It is not a de Polignac number, because 13974577 - 2²³ = 5585969 is a prime.

It is not a weakly prime, because it can be changed into another prime (13974517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6987288 + 6987289.

It is an arithmetic number, because the mean of its divisors is an integer number (6987289).

Almost surely, 2^13974577 is an apocalyptic number.

It is an amenable number.

13974577 is a deficient number, since it is larger than the sum of its proper divisors (1).

13974577 is an equidigital number, since it uses as much as digits as its factorization.

13974577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185220, while the sum is 43.

The square root of 13974577 is about 3738.2585517858. The cubic root of 13974577 is about 240.8682498142.

The spelling of 13974577 in words is "thirteen million, nine hundred seventy-four thousand, five hundred seventy-seven".