12158450 has 24 divisors (see below), whose sum is σ = 22731060. Its totient is φ = 4838400.

The previous prime is 12158449. The next prime is 12158501. The reversal of 12158450 is 5485121.

It can be written as a sum of positive squares in 6 ways, for example, as 4765489 + 7392961 = 2183^2 + 2719^2 .

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 11 ways as a sum of consecutive naturals, for example, 11546 + ... + 12554.

Almost surely, 2^12158450 is an apocalyptic number.

12158450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12158450 is a deficient number, since it is larger than the sum of its proper divisors (10572610).

12158450 is a wasteful number, since it uses less digits than its factorization.

12158450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 12158450 is about 3486.8969012576. The cubic root of 12158450 is about 229.9461121390.

The spelling of 12158450 in words is "twelve million, one hundred fifty-eight thousand, four hundred fifty".