13909202 has 8 divisors (see below), whose sum is σ = 20908800. Its totient is φ = 6939604.

The previous prime is 13909177. The next prime is 13909211. The reversal of 13909202 is 20290931.

13909202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 6302 + ... + 8217.

It is an arithmetic number, because the mean of its divisors is an integer number (2613600).

Almost surely, 2^13909202 is an apocalyptic number.

13909202 is a deficient number, since it is larger than the sum of its proper divisors (6999598).

13909202 is a wasteful number, since it uses less digits than its factorization.

13909202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 13909202 is about 3729.5042566003. The cubic root of 13909202 is about 240.4920576040.

The spelling of 13909202 in words is "thirteen million, nine hundred nine thousand, two hundred two".