12240939 has 16 divisors (see below), whose sum is σ = 17245184. Its totient is φ = 7711200.

The previous prime is 12240937. The next prime is 12240947. The reversal of 12240939 is 93904221.

12240939 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 12240939 - 2¹ = 12240937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12240937) 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, 2469 + ... + 5529.

It is an arithmetic number, because the mean of its divisors is an integer number (1077824).

Almost surely, 2^12240939 is an apocalyptic number.

12240939 is a deficient number, since it is larger than the sum of its proper divisors (5004245).

12240939 is a wasteful number, since it uses less digits than its factorization.

12240939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 12240939 is about 3498.7053319764. The cubic root of 12240939 is about 230.4649636268.

The spelling of 12240939 in words is "twelve million, two hundred forty thousand, nine hundred thirty-nine".