13642205 has 16 divisors (see below), whose sum is σ = 16780224. Its totient is φ = 10644480.

The previous prime is 13642199. The next prime is 13642207. The reversal of 13642205 is 50224631.

13642205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13642205 - 2⁸ = 13641949 is a prime.

It is a super-2 number, since 2×13642205² = 372219514524050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64550 + ... + 64760.

It is an arithmetic number, because the mean of its divisors is an integer number (1048764).

Almost surely, 2^13642205 is an apocalyptic number.

It is an amenable number.

13642205 is a deficient number, since it is larger than the sum of its proper divisors (3138019).

13642205 is a wasteful number, since it uses less digits than its factorization.

13642205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13642205 is about 3693.5355690720. The cubic root of 13642205 is about 238.9432998669.

Adding to 13642205 its reverse (50224631), we get a palindrome (63866836).

The spelling of 13642205 in words is "thirteen million, six hundred forty-two thousand, two hundred five".