13609874 has 8 divisors (see below), whose sum is σ = 21118860. Its totient is φ = 6570256.

The previous prime is 13609873. The next prime is 13609889. The reversal of 13609874 is 47890631.

It can be written as a sum of positive squares in 2 ways, for example, as 11854249 + 1755625 = 3443^2 + 1325^2 .

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 (13609873) 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, 117269 + ... + 117384.

Almost surely, 2^13609874 is an apocalyptic number.

13609874 is a deficient number, since it is larger than the sum of its proper divisors (7508986).

13609874 is a wasteful number, since it uses less digits than its factorization.

13609874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234684.

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

The square root of 13609874 is about 3689.1562721034. The cubic root of 13609874 is about 238.7543913376.

The spelling of 13609874 in words is "thirteen million, six hundred nine thousand, eight hundred seventy-four".