12440835 has 48 divisors (see below), whose sum is σ = 24137568. Its totient is φ = 5875200.

The previous prime is 12440819. The next prime is 12440851. The reversal of 12440835 is 53804421.

12440835 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12440819) and next prime (12440851).

It is not a de Polignac number, because 12440835 - 2⁴ = 12440819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12440799 and 12440808.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 19989 + ... + 20601.

It is an arithmetic number, because the mean of its divisors is an integer number (502866).

Almost surely, 2^12440835 is an apocalyptic number.

12440835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12440835 is a deficient number, since it is larger than the sum of its proper divisors (11696733).

12440835 is a wasteful number, since it uses less digits than its factorization.

12440835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 12440835 is about 3527.1567869886. The cubic root of 12440835 is about 231.7127029836.

The spelling of 12440835 in words is "twelve million, four hundred forty thousand, eight hundred thirty-five".