13288906 has 16 divisors (see below), whose sum is σ = 20355840. Its totient is φ = 6505200.

The previous prime is 13288889. The next prime is 13288909. The reversal of 13288906 is 60988231.

13288906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13288909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23580 + ... + 24136.

It is an arithmetic number, because the mean of its divisors is an integer number (1272240).

Almost surely, 2^13288906 is an apocalyptic number.

13288906 is a deficient number, since it is larger than the sum of its proper divisors (7066934).

13288906 is a wasteful number, since it uses less digits than its factorization.

13288906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 13288906 is about 3645.3951774808. The cubic root of 13288906 is about 236.8625550928.

The spelling of 13288906 in words is "thirteen million, two hundred eighty-eight thousand, nine hundred six".