13641607 has 4 divisors (see below), whose sum is σ = 15590416. Its totient is φ = 11692800.

The previous prime is 13641557. The next prime is 13641623. The reversal of 13641607 is 70614631.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13641607 - 2²³ = 5252999 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 (13641637) 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 in 3 ways as a sum of consecutive naturals, for example, 974394 + ... + 974407.

It is an arithmetic number, because the mean of its divisors is an integer number (3897604).

Almost surely, 2^13641607 is an apocalyptic number.

13641607 is a deficient number, since it is larger than the sum of its proper divisors (1948809).

13641607 is an equidigital number, since it uses as much as digits as its factorization.

13641607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948808.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13641607 is about 3693.4546159389. The cubic root of 13641607 is about 238.9398084914.

Adding to 13641607 its product of nonzero digits (3024), we get a palindrome (13644631).

The spelling of 13641607 in words is "thirteen million, six hundred forty-one thousand, six hundred seven".