13631677 has 2 divisors, whose sum is σ = 13631678. Its totient is φ = 13631676.

The previous prime is 13631659. The next prime is 13631689. The reversal of 13631677 is 77613631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11363641 + 2268036 = 3371^2 + 1506^2 .

It is a cyclic number.

It is not a de Polignac number, because 13631677 - 2⁷ = 13631549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13631377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6815838 + 6815839.

It is an arithmetic number, because the mean of its divisors is an integer number (6815839).

Almost surely, 2^13631677 is an apocalyptic number.

It is an amenable number.

13631677 is a deficient number, since it is larger than the sum of its proper divisors (1).

13631677 is an equidigital number, since it uses as much as digits as its factorization.

13631677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 13631677 is about 3692.1101012835. The cubic root of 13631677 is about 238.8818180548.

It can be divided in two parts, 136 and 31677, that added together give a palindrome (31813).

The spelling of 13631677 in words is "thirteen million, six hundred thirty-one thousand, six hundred seventy-seven".