13672205 has 4 divisors (see below), whose sum is σ = 16406652. Its totient is φ = 10937760.

The previous prime is 13672193. The next prime is 13672213. The reversal of 13672205 is 50227631.

13672205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4351396 + 9320809 = 2086^2 + 3053^2 .

It is not a de Polignac number, because 13672205 - 2⁸ = 13671949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367216 + ... + 1367225.

It is an arithmetic number, because the mean of its divisors is an integer number (4101663).

Almost surely, 2^13672205 is an apocalyptic number.

It is an amenable number.

13672205 is a deficient number, since it is larger than the sum of its proper divisors (2734447).

13672205 is an equidigital number, since it uses as much as digits as its factorization.

13672205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734446.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 13672205 is about 3697.5944883126. The cubic root of 13672205 is about 239.1183216933.

Adding to 13672205 its reverse (50227631), we get a palindrome (63899836).

The spelling of 13672205 in words is "thirteen million, six hundred seventy-two thousand, two hundred five".