12377439 has 12 divisors (see below), whose sum is σ = 18047016. Its totient is φ = 8173872.

The previous prime is 12377437. The next prime is 12377441. The reversal of 12377439 is 93477321.

It is an interprime number because it is at equal distance from previous prime (12377437) and next prime (12377441).

It is not a de Polignac number, because 12377439 - 2¹ = 12377437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12377437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5464 + ... + 7389.

It is an arithmetic number, because the mean of its divisors is an integer number (1503918).

Almost surely, 2^12377439 is an apocalyptic number.

12377439 is a deficient number, since it is larger than the sum of its proper divisors (5669577).

12377439 is a wasteful number, since it uses less digits than its factorization.

12377439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12966 (or 12963 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 12377439 is about 3518.1584671530. The cubic root of 12377439 is about 231.3184453836.

The spelling of 12377439 in words is "twelve million, three hundred seventy-seven thousand, four hundred thirty-nine".