11838975 has 24 divisors (see below), whose sum is σ = 20034432. Its totient is φ = 6165600.

The previous prime is 11838943. The next prime is 11838977. The reversal of 11838975 is 57983811.

It is not a de Polignac number, because 11838975 - 2⁵ = 11838943 is a prime.

It is a super-2 number, since 2×11838975² = 280322658101250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11838977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1390 + ... + 5060.

It is an arithmetic number, because the mean of its divisors is an integer number (834768).

Almost surely, 2^11838975 is an apocalyptic number.

11838975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11838975 is a deficient number, since it is larger than the sum of its proper divisors (8195457).

11838975 is a wasteful number, since it uses less digits than its factorization.

11838975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727 (or 3722 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 11838975 is about 3440.7811613063. The cubic root of 11838975 is about 227.9141913169.

It can be divided in two parts, 118 and 38975, that added together give a palindrome (39093).

The spelling of 11838975 in words is "eleven million, eight hundred thirty-eight thousand, nine hundred seventy-five".