13691064 has 16 divisors (see below), whose sum is σ = 34227720. Its totient is φ = 4563680.

The previous prime is 13691033. The next prime is 13691107. The reversal of 13691064 is 46019631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285207 + ... + 285254.

Almost surely, 2^13691064 is an apocalyptic number.

It is an amenable number.

13691064 is an abundant number, since it is smaller than the sum of its proper divisors (20536656).

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

13691064 is a wasteful number, since it uses less digits than its factorization.

13691064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570470 (or 570466 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13691064 is about 3700.1437809901. The cubic root of 13691064 is about 239.2282152226.

The spelling of 13691064 in words is "thirteen million, six hundred ninety-one thousand, sixty-four".