13699974 has 16 divisors (see below), whose sum is σ = 27436608. Its totient is φ = 4560552.

The previous prime is 13699957. The next prime is 13699981. The reversal of 13699974 is 47999631.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6969 + ... + 8715.

It is an arithmetic number, because the mean of its divisors is an integer number (1714788).

Almost surely, 2^13699974 is an apocalyptic number.

13699974 is an abundant number, since it is smaller than the sum of its proper divisors (13736634).

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

13699974 is a wasteful number, since it uses less digits than its factorization.

13699974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059.

The product of its digits is 367416, while the sum is 48.

The square root of 13699974 is about 3701.3475924317. The cubic root of 13699974 is about 239.2800997017.

The spelling of 13699974 in words is "thirteen million, six hundred ninety-nine thousand, nine hundred seventy-four".