12423194 has 32 divisors (see below), whose sum is σ = 22654080. Its totient is φ = 4995648.

The previous prime is 12423167. The next prime is 12423211. The reversal of 12423194 is 49132421.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14609 + ... + 15435.

It is an arithmetic number, because the mean of its divisors is an integer number (707940).

Almost surely, 2^12423194 is an apocalyptic number.

12423194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12423194 is a deficient number, since it is larger than the sum of its proper divisors (10230886).

12423194 is a wasteful number, since it uses less digits than its factorization.

12423194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its digits is 1728, while the sum is 26.

The square root of 12423194 is about 3524.6551604377. The cubic root of 12423194 is about 231.6031289505.

The spelling of 12423194 in words is "twelve million, four hundred twenty-three thousand, one hundred ninety-four".