13090205 has 16 divisors (see below), whose sum is σ = 16360704. Its totient is φ = 10046400.

The previous prime is 13090201. The next prime is 13090211. The reversal of 13090205 is 50209031.

13090205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13090205 - 2² = 13090201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13090201) 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, 11930 + ... + 12980.

It is an arithmetic number, because the mean of its divisors is an integer number (1022544).

Almost surely, 2^13090205 is an apocalyptic number.

It is an amenable number.

13090205 is a deficient number, since it is larger than the sum of its proper divisors (3270499).

13090205 is a wasteful number, since it uses less digits than its factorization.

13090205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 13090205 is about 3618.0388334013. The cubic root of 13090205 is about 235.6760673530.

Adding to 13090205 its reverse (50209031), we get a palindrome (63299236).

The spelling of 13090205 in words is "thirteen million, ninety thousand, two hundred five".