12904250 has 32 divisors (see below), whose sum is σ = 24530688. Its totient is φ = 5082000.

The previous prime is 12904237. The next prime is 12904253. The reversal of 12904250 is 5240921.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12904253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17387 + ... + 18113.

It is an arithmetic number, because the mean of its divisors is an integer number (766584).

Almost surely, 2^12904250 is an apocalyptic number.

12904250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12904250 is a deficient number, since it is larger than the sum of its proper divisors (11626438).

12904250 is an equidigital number, since it uses as much as digits as its factorization.

12904250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12904250 is about 3592.2485994151. The cubic root of 12904250 is about 234.5547628295.

The spelling of 12904250 in words is "twelve million, nine hundred four thousand, two hundred fifty".