12493288 has 16 divisors (see below), whose sum is σ = 23809860. Its totient is φ = 6144000.

The previous prime is 12493267. The next prime is 12493291. The reversal of 12493288 is 88239421.

It can be written as a sum of positive squares in 2 ways, for example, as 12404484 + 88804 = 3522^2 + 298^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12313 + ... + 13288.

Almost surely, 2^12493288 is an apocalyptic number.

It is an amenable number.

12493288 is a deficient number, since it is larger than the sum of its proper divisors (11316572).

12493288 is a wasteful number, since it uses less digits than its factorization.

12493288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25668 (or 25664 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 12493288 is about 3534.5845583321. The cubic root of 12493288 is about 232.0378951178.

The spelling of 12493288 in words is "twelve million, four hundred ninety-three thousand, two hundred eighty-eight".