12236939 has 16 divisors (see below), whose sum is σ = 14563584. Its totient is φ = 10135200.

The previous prime is 12236911. The next prime is 12236941. The reversal of 12236939 is 93963221.

It is a cyclic number.

It is not a de Polignac number, because 12236939 - 2⁸ = 12236683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12236899 and 12236908.

It is not an unprimeable number, because it can be changed into a prime (12236239) 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 15 ways as a sum of consecutive naturals, for example, 11354 + ... + 12384.

It is an arithmetic number, because the mean of its divisors is an integer number (910224).

Almost surely, 2^12236939 is an apocalyptic number.

12236939 is a deficient number, since it is larger than the sum of its proper divisors (2326645).

12236939 is a wasteful number, since it uses less digits than its factorization.

12236939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its digits is 17496, while the sum is 35.

The square root of 12236939 is about 3498.1336452457. The cubic root of 12236939 is about 230.4398577019.

The spelling of 12236939 in words is "twelve million, two hundred thirty-six thousand, nine hundred thirty-nine".