12439141 has 16 divisors (see below), whose sum is σ = 15015168. Its totient is φ = 10152000.

The previous prime is 12439139. The next prime is 12439157. The reversal of 12439141 is 14193421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12439141 - 2¹ = 12439139 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 (12439541) 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, 4116 + ... + 6466.

It is an arithmetic number, because the mean of its divisors is an integer number (938448).

Almost surely, 2^12439141 is an apocalyptic number.

12439141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12439141 is a deficient number, since it is larger than the sum of its proper divisors (2576027).

12439141 is a wasteful number, since it uses less digits than its factorization.

12439141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412.

The product of its digits is 864, while the sum is 25.

The square root of 12439141 is about 3526.9166420544. The cubic root of 12439141 is about 231.7021854919.

The spelling of 12439141 in words is "twelve million, four hundred thirty-nine thousand, one hundred forty-one".