13977611 has 2 divisors, whose sum is σ = 13977612. Its totient is φ = 13977610.

The previous prime is 13977599. The next prime is 13977619. The reversal of 13977611 is 11677931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13977611 - 2¹⁰ = 13976587 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13977619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6988805 + 6988806.

It is an arithmetic number, because the mean of its divisors is an integer number (6988806).

Almost surely, 2^13977611 is an apocalyptic number.

13977611 is a deficient number, since it is larger than the sum of its proper divisors (1).

13977611 is an equidigital number, since it uses as much as digits as its factorization.

13977611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938, while the sum is 35.

The square root of 13977611 is about 3738.6643336892. The cubic root of 13977611 is about 240.8856800708.

The spelling of 13977611 in words is "thirteen million, nine hundred seventy-seven thousand, six hundred eleven".