13490688 has 40 divisors (see below), whose sum is σ = 35944128. Its totient is φ = 4496384.

The previous prime is 13490677. The next prime is 13490689. The reversal of 13490688 is 88609431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13490689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2856 + ... + 5927.

Almost surely, 2^13490688 is an apocalyptic number.

It is an amenable number.

13490688 is an abundant number, since it is smaller than the sum of its proper divisors (22453440).

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

13490688 is an frugal number, since it uses more digits than its factorization.

13490688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804 (or 8788 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 13490688 is about 3672.9671928837. The cubic root of 13490688 is about 238.0553975040.

The spelling of 13490688 in words is "thirteen million, four hundred ninety thousand, six hundred eighty-eight".