12649774 has 8 divisors (see below), whose sum is σ = 19047600. Its totient is φ = 6300576.

The previous prime is 12649757. The next prime is 12649789. The reversal of 12649774 is 47794621.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11499 + ... + 12550.

It is an arithmetic number, because the mean of its divisors is an integer number (2380950).

Almost surely, 2^12649774 is an apocalyptic number.

12649774 is a deficient number, since it is larger than the sum of its proper divisors (6397826).

12649774 is a wasteful number, since it uses less digits than its factorization.

12649774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24314.

The product of its digits is 84672, while the sum is 40.

The square root of 12649774 is about 3556.6520774459. The cubic root of 12649774 is about 233.0026831400.

The spelling of 12649774 in words is "twelve million, six hundred forty-nine thousand, seven hundred seventy-four".