13702209 has 8 divisors (see below), whose sum is σ = 18289632. Its totient is φ = 9124800.

The previous prime is 13702177. The next prime is 13702229. The reversal of 13702209 is 90220731.

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

It is not a de Polignac number, because 13702209 - 2⁵ = 13702177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13702229) 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, 1702 + ... + 5504.

It is an arithmetic number, because the mean of its divisors is an integer number (2286204).

Almost surely, 2^13702209 is an apocalyptic number.

It is an amenable number.

13702209 is a deficient number, since it is larger than the sum of its proper divisors (4587423).

13702209 is a wasteful number, since it uses less digits than its factorization.

13702209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 13702209 is about 3701.6494971837. The cubic root of 13702209 is about 239.2931109659.

The spelling of 13702209 in words is "thirteen million, seven hundred two thousand, two hundred nine".