12649898 has 16 divisors (see below), whose sum is σ = 19305216. Its totient is φ = 6216000.

The previous prime is 12649873. The next prime is 12649907. The reversal of 12649898 is 89894621.

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, 50273 + ... + 50523.

It is an arithmetic number, because the mean of its divisors is an integer number (1206576).

Almost surely, 2^12649898 is an apocalyptic number.

12649898 is a deficient number, since it is larger than the sum of its proper divisors (6655318).

12649898 is a wasteful number, since it uses less digits than its factorization.

12649898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its digits is 248832, while the sum is 47.

The square root of 12649898 is about 3556.6695095271. The cubic root of 12649898 is about 233.0034444774.

The spelling of 12649898 in words is "twelve million, six hundred forty-nine thousand, eight hundred ninety-eight".