11825138 has 16 divisors (see below), whose sum is σ = 19569816. Its totient is φ = 5324160.

The previous prime is 11825119. The next prime is 11825141. The reversal of 11825138 is 83152811.

It can be written as a sum of positive squares in 4 ways, for example, as 7059649 + 4765489 = 2657^2 + 2183^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11825138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4481 + ... + 6612.

Almost surely, 2^11825138 is an apocalyptic number.

11825138 is a deficient number, since it is larger than the sum of its proper divisors (7744678).

11825138 is a wasteful number, since it uses less digits than its factorization.

11825138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11149.

The product of its digits is 1920, while the sum is 29.

The square root of 11825138 is about 3438.7698381834. The cubic root of 11825138 is about 227.8253638610.

Adding to 11825138 its reverse (83152811), we get a palindrome (94977949).

The spelling of 11825138 in words is "eleven million, eight hundred twenty-five thousand, one hundred thirty-eight".