13690208 has 36 divisors (see below), whose sum is σ = 31356612. Its totient is φ = 5866560.

The previous prime is 13690181. The next prime is 13690213. The reversal of 13690208 is 80209631.

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, 2798 + ... + 5933.

It is an arithmetic number, because the mean of its divisors is an integer number (871017).

Almost surely, 2^13690208 is an apocalyptic number.

It is an amenable number.

13690208 is an abundant number, since it is smaller than the sum of its proper divisors (17666404).

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

13690208 is an equidigital number, since it uses as much as digits as its factorization.

13690208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8755 (or 8740 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 13690208 is about 3700.0281080013. The cubic root of 13690208 is about 239.2232294007.

Adding to 13690208 its reverse (80209631), we get a palindrome (93899839).

The spelling of 13690208 in words is "thirteen million, six hundred ninety thousand, two hundred eight".