12669039 has 6 divisors (see below), whose sum is σ = 18299736. Its totient is φ = 8446020.

The previous prime is 12669017. The next prime is 12669043. The reversal of 12669039 is 93096621.

It is not a de Polignac number, because 12669039 - 2⁸ = 12668783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12668994 and 12669012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12669079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 703827 + ... + 703844.

It is an arithmetic number, because the mean of its divisors is an integer number (3049956).

Almost surely, 2^12669039 is an apocalyptic number.

12669039 is a deficient number, since it is larger than the sum of its proper divisors (5630697).

12669039 is a wasteful number, since it uses less digits than its factorization.

12669039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407677 (or 1407674 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 12669039 is about 3559.3593524678. The cubic root of 12669039 is about 233.1209071198.

The spelling of 12669039 in words is "twelve million, six hundred sixty-nine thousand, thirty-nine".