12494816 has 12 divisors (see below), whose sum is σ = 24599232. Its totient is φ = 6247392.

The previous prime is 12494777. The next prime is 12494821. The reversal of 12494816 is 61849421.

It is a happy number.

It is a super-2 number, since 2×12494816² = 312240853747712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195200 + ... + 195263.

It is an arithmetic number, because the mean of its divisors is an integer number (2049936).

Almost surely, 2^12494816 is an apocalyptic number.

12494816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12494816 is a deficient number, since it is larger than the sum of its proper divisors (12104416).

12494816 is an equidigital number, since it uses as much as digits as its factorization.

12494816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390473 (or 390465 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 12494816 is about 3534.8007015955. The cubic root of 12494816 is about 232.0473545825.

The spelling of 12494816 in words is "twelve million, four hundred ninety-four thousand, eight hundred sixteen".