12339045 has 12 divisors (see below), whose sum is σ = 21387756. Its totient is φ = 6580800.

The previous prime is 12339043. The next prime is 12339097. The reversal of 12339045 is 54093321.

It can be written as a sum of positive squares in 2 ways, for example, as 3392964 + 8946081 = 1842^2 + 2991^2 .

It is not a de Polignac number, because 12339045 - 2¹ = 12339043 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12339043) 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 11 ways as a sum of consecutive naturals, for example, 137056 + ... + 137145.

It is an arithmetic number, because the mean of its divisors is an integer number (1782313).

Almost surely, 2^12339045 is an apocalyptic number.

12339045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12339045 is a deficient number, since it is larger than the sum of its proper divisors (9048711).

12339045 is a wasteful number, since it uses less digits than its factorization.

12339045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274212 (or 274209 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 12339045 is about 3512.6976812701. The cubic root of 12339045 is about 231.0790194609.

The spelling of 12339045 in words is "twelve million, three hundred thirty-nine thousand, forty-five".