12439061 has 4 divisors (see below), whose sum is σ = 12446124. Its totient is φ = 12432000.

The previous prime is 12439039. The next prime is 12439069. The reversal of 12439061 is 16093421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7236100 + 5202961 = 2690^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 12439061 - 2²² = 8244757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12439061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12439069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511 + ... + 5211.

It is an arithmetic number, because the mean of its divisors is an integer number (3111531).

Almost surely, 2^12439061 is an apocalyptic number.

It is an amenable number.

12439061 is a deficient number, since it is larger than the sum of its proper divisors (7063).

12439061 is an equidigital number, since it uses as much as digits as its factorization.

12439061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7062.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12439061 is about 3526.9053006850. The cubic root of 12439061 is about 231.7016887745.

The spelling of 12439061 in words is "twelve million, four hundred thirty-nine thousand, sixty-one".