12493186 has 16 divisors (see below), whose sum is σ = 20187648. Its totient is φ = 5781600.

The previous prime is 12493183. The next prime is 12493189. The reversal of 12493186 is 68139421.

It is an interprime number because it is at equal distance from previous prime (12493183) and next prime (12493189).

It is not an unprimeable number, because it can be changed into a prime (12493183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2955 + ... + 5806.

It is an arithmetic number, because the mean of its divisors is an integer number (1261728).

Almost surely, 2^12493186 is an apocalyptic number.

12493186 is a deficient number, since it is larger than the sum of its proper divisors (7694462).

12493186 is a wasteful number, since it uses less digits than its factorization.

12493186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817.

The product of its digits is 10368, while the sum is 34.

The square root of 12493186 is about 3534.5701294500. The cubic root of 12493186 is about 232.0372636339.

The spelling of 12493186 in words is "twelve million, four hundred ninety-three thousand, one hundred eighty-six".