13645677 has 4 divisors (see below), whose sum is σ = 18194240. Its totient is φ = 9097116.

The previous prime is 13645633. The next prime is 13645691. The reversal of 13645677 is 77654631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13645677 - 2¹⁵ = 13612909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13645607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2274277 + ... + 2274282.

It is an arithmetic number, because the mean of its divisors is an integer number (4548560).

Almost surely, 2^13645677 is an apocalyptic number.

It is an amenable number.

13645677 is a deficient number, since it is larger than the sum of its proper divisors (4548563).

13645677 is an equidigital number, since it uses as much as digits as its factorization.

13645677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548562.

The product of its digits is 105840, while the sum is 39.

The square root of 13645677 is about 3694.0055495356. The cubic root of 13645677 is about 238.9635688476.

The spelling of 13645677 in words is "thirteen million, six hundred forty-five thousand, six hundred seventy-seven".