12744194 has 16 divisors (see below), whose sum is σ = 19860120. Its totient is φ = 6128640.

The previous prime is 12744187. The next prime is 12744209. The reversal of 12744194 is 49144721.

It can be written as a sum of positive squares in 4 ways, for example, as 6568969 + 6175225 = 2563^2 + 2485^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12744194.

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, 4922 + ... + 7050.

Almost surely, 2^12744194 is an apocalyptic number.

12744194 is a deficient number, since it is larger than the sum of its proper divisors (7115926).

12744194 is a wasteful number, since it uses less digits than its factorization.

12744194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245.

The product of its digits is 8064, while the sum is 32.

The square root of 12744194 is about 3569.9011190788. The cubic root of 12744194 is about 233.5809701964.

The spelling of 12744194 in words is "twelve million, seven hundred forty-four thousand, one hundred ninety-four".