13231206 has 12 divisors (see below), whose sum is σ = 28667652. Its totient is φ = 4410396.

The previous prime is 13231189. The next prime is 13231247. The reversal of 13231206 is 60213231.

13231206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 735067 = 13231206 / (1 + 3 + 2 + 3 + 1 + 2 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367516 + ... + 367551.

It is an arithmetic number, because the mean of its divisors is an integer number (2388971).

Almost surely, 2^13231206 is an apocalyptic number.

13231206 is an abundant number, since it is smaller than the sum of its proper divisors (15436446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231206 is a wasteful number, since it uses less digits than its factorization.

13231206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735075 (or 735072 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 13231206 is about 3637.4724741227. The cubic root of 13231206 is about 236.5192412089.

Adding to 13231206 its reverse (60213231), we get a palindrome (73444437).

The spelling of 13231206 in words is "thirteen million, two hundred thirty-one thousand, two hundred six".