12409874 has 16 divisors (see below), whose sum is σ = 19411008. Its totient is φ = 5944752.

The previous prime is 12409849. The next prime is 12409879. The reversal of 12409874 is 47890421.

12409874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12409879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3707 + ... + 6209.

It is an arithmetic number, because the mean of its divisors is an integer number (1213188).

Almost surely, 2^12409874 is an apocalyptic number.

12409874 is a deficient number, since it is larger than the sum of its proper divisors (7001134).

12409874 is a wasteful number, since it uses less digits than its factorization.

12409874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12409874 is about 3522.7651071282. The cubic root of 12409874 is about 231.5203253150.

The spelling of 12409874 in words is "twelve million, four hundred nine thousand, eight hundred seventy-four".