13065906 has 32 divisors (see below), whose sum is σ = 30504960. Its totient is φ = 3653136.

The previous prime is 13065883. The next prime is 13065919. The reversal of 13065906 is 60956031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336 + ... + 5283.

It is an arithmetic number, because the mean of its divisors is an integer number (953280).

Almost surely, 2^13065906 is an apocalyptic number.

13065906 is an abundant number, since it is smaller than the sum of its proper divisors (17439054).

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

13065906 is a wasteful number, since it uses less digits than its factorization.

13065906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6678.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 13065906 is about 3614.6792388814. The cubic root of 13065906 is about 235.5301506197.

The spelling of 13065906 in words is "thirteen million, sixty-five thousand, nine hundred six".