12239507 has 16 divisors (see below), whose sum is σ = 14925312. Its totient is φ = 9797760.

The previous prime is 12239453. The next prime is 12239509. The reversal of 12239507 is 70593221.

12239507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12239507 - 2⁸ = 12239251 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 12239507.

It is not an unprimeable number, because it can be changed into a prime (12239509) 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, 19082 + ... + 19712.

It is an arithmetic number, because the mean of its divisors is an integer number (932832).

Almost surely, 2^12239507 is an apocalyptic number.

12239507 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12239507 is a deficient number, since it is larger than the sum of its proper divisors (2685805).

12239507 is a wasteful number, since it uses less digits than its factorization.

12239507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 12239507 is about 3498.5006788623. The cubic root of 12239507 is about 230.4559763343.

The spelling of 12239507 in words is "twelve million, two hundred thirty-nine thousand, five hundred seven".