12383749 has 8 divisors (see below), whose sum is σ = 14352768. Its totient is φ = 10464720.

The previous prime is 12383747. The next prime is 12383759. The reversal of 12383749 is 94738321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12383749 - 2¹ = 12383747 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 (12383741) 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 7 ways as a sum of consecutive naturals, for example, 11962 + ... + 12955.

It is an arithmetic number, because the mean of its divisors is an integer number (1794096).

Almost surely, 2^12383749 is an apocalyptic number.

It is an amenable number.

12383749 is a deficient number, since it is larger than the sum of its proper divisors (1969019).

12383749 is an equidigital number, since it uses as much as digits as its factorization.

12383749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24995.

The product of its digits is 36288, while the sum is 37.

The square root of 12383749 is about 3519.0551288663. The cubic root of 12383749 is about 231.3577473055.

The spelling of 12383749 in words is "twelve million, three hundred eighty-three thousand, seven hundred forty-nine".