11867825 has 12 divisors (see below), whose sum is σ = 14849868. Its totient is φ = 9408000.

The previous prime is 11867809. The next prime is 11867827. The reversal of 11867825 is 52876811.

11867825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5400976 + 6466849 = 2324^2 + 2543^2 .

It is not a de Polignac number, because 11867825 - 2⁴ = 11867809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11867827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (1237489).

Almost surely, 2^11867825 is an apocalyptic number.

It is an amenable number.

11867825 is a deficient number, since it is larger than the sum of its proper divisors (2982043).

11867825 is a wasteful number, since it uses less digits than its factorization.

11867825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4319 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 11867825 is about 3444.9709723015. The cubic root of 11867825 is about 228.0991732819.

The spelling of 11867825 in words is "eleven million, eight hundred sixty-seven thousand, eight hundred twenty-five".