12393149 has 16 divisors (see below), whose sum is σ = 13754880. Its totient is φ = 11119680.

The previous prime is 12393133. The next prime is 12393163. The reversal of 12393149 is 94139321.

It is a cyclic number.

It is not a de Polignac number, because 12393149 - 2⁴ = 12393133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31019 + ... + 31415.

It is an arithmetic number, because the mean of its divisors is an integer number (859680).

Almost surely, 2^12393149 is an apocalyptic number.

12393149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12393149 is a deficient number, since it is larger than the sum of its proper divisors (1361731).

12393149 is a wasteful number, since it uses less digits than its factorization.

12393149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its digits is 5832, while the sum is 32.

The square root of 12393149 is about 3520.3904612983. The cubic root of 12393149 is about 231.4162705846.

The spelling of 12393149 in words is "twelve million, three hundred ninety-three thousand, one hundred forty-nine".