11839925 has 6 divisors (see below), whose sum is σ = 14681538. Its totient is φ = 9471920.

The previous prime is 11839913. The next prime is 11839931. The reversal of 11839925 is 52993811.

It can be written as a sum of positive squares in 3 ways, for example, as 2149156 + 9690769 = 1466^2 + 3113^2 .

It is not a de Polignac number, because 11839925 - 2⁴ = 11839909 is a prime.

It is a Duffinian number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 236774 + ... + 236823.

It is an arithmetic number, because the mean of its divisors is an integer number (2446923).

Almost surely, 2^11839925 is an apocalyptic number.

It is an amenable number.

11839925 is a deficient number, since it is larger than the sum of its proper divisors (2841613).

11839925 is an equidigital number, since it uses as much as digits as its factorization.

11839925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473607 (or 473602 counting only the distinct ones).

The product of its digits is 19440, while the sum is 38.

The square root of 11839925 is about 3440.9192085837. The cubic root of 11839925 is about 227.9202873596.

The spelling of 11839925 in words is "eleven million, eight hundred thirty-nine thousand, nine hundred twenty-five".