13409694 has 24 divisors (see below), whose sum is σ = 29137680. Its totient is φ = 4457088.

The previous prime is 13409681. The next prime is 13409717. The reversal of 13409694 is 49690431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7054 + ... + 8750.

It is an arithmetic number, because the mean of its divisors is an integer number (1214070).

Almost surely, 2^13409694 is an apocalyptic number.

13409694 is an abundant number, since it is smaller than the sum of its proper divisors (15727986).

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

13409694 is a wasteful number, since it uses less digits than its factorization.

13409694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 13409694 is about 3661.9249036538. The cubic root of 13409694 is about 237.5780367754.

The spelling of 13409694 in words is "thirteen million, four hundred nine thousand, six hundred ninety-four".