13912277 has 2 divisors, whose sum is σ = 13912278. Its totient is φ = 13912276.

The previous prime is 13912253. The next prime is 13912291. The reversal of 13912277 is 77221931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7806436 + 6105841 = 2794^2 + 2471^2 .

It is an emirp because it is prime and its reverse (77221931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13912277 - 2⁸ = 13912021 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10912277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6956138 + 6956139.

It is an arithmetic number, because the mean of its divisors is an integer number (6956139).

Almost surely, 2^13912277 is an apocalyptic number.

It is an amenable number.

13912277 is a deficient number, since it is larger than the sum of its proper divisors (1).

13912277 is an equidigital number, since it uses as much as digits as its factorization.

13912277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 32.

The square root of 13912277 is about 3729.9164870007. The cubic root of 13912277 is about 240.5097786922.

The spelling of 13912277 in words is "thirteen million, nine hundred twelve thousand, two hundred seventy-seven".