12649874 has 8 divisors (see below), whose sum is σ = 19100928. Its totient is φ = 6282900.

The previous prime is 12649873. The next prime is 12649907. The reversal of 12649874 is 47894621.

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 (12649873) 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, 20642 + ... + 21245.

It is an arithmetic number, because the mean of its divisors is an integer number (2387616).

Almost surely, 2^12649874 is an apocalyptic number.

12649874 is a deficient number, since it is larger than the sum of its proper divisors (6451054).

12649874 is a wasteful number, since it uses less digits than its factorization.

12649874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42040.

The product of its digits is 96768, while the sum is 41.

The square root of 12649874 is about 3556.6661355826. Note that the first 3 decimals coincide. The cubic root of 12649874 is about 233.0032971222.

The spelling of 12649874 in words is "twelve million, six hundred forty-nine thousand, eight hundred seventy-four".