12257016 has 16 divisors (see below), whose sum is σ = 30642600. Its totient is φ = 4085664.

The previous prime is 12257009. The next prime is 12257039. The reversal of 12257016 is 61075221.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 510709 = 12257016 / (1 + 2 + 2 + 5 + 7 + 0 + 1 + 6).

It is a congruent number.

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, 255331 + ... + 255378.

Almost surely, 2^12257016 is an apocalyptic number.

It is an amenable number.

12257016 is an abundant number, since it is smaller than the sum of its proper divisors (18385584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12257016 is a wasteful number, since it uses less digits than its factorization.

12257016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510718 (or 510714 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 12257016 is about 3501.0021422444. The cubic root of 12257016 is about 230.5658154840.

The spelling of 12257016 in words is "twelve million, two hundred fifty-seven thousand, sixteen".