13690874 has 8 divisors (see below), whose sum is σ = 20655540. Its totient is φ = 6805696.

The previous prime is 13690861. The next prime is 13690877. The reversal of 13690874 is 47809631.

It can be written as a sum of positive squares in 2 ways, for example, as 12496225 + 1194649 = 3535^2 + 1093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13690877) 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, 19439 + ... + 20130.

Almost surely, 2^13690874 is an apocalyptic number.

13690874 is a deficient number, since it is larger than the sum of its proper divisors (6964666).

13690874 is a wasteful number, since it uses less digits than its factorization.

13690874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39744.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13690874 is about 3700.1181062231. The cubic root of 13690874 is about 239.2271085744.

The spelling of 13690874 in words is "thirteen million, six hundred ninety thousand, eight hundred seventy-four".