11839775 has 12 divisors (see below), whose sum is σ = 15040704. Its totient is φ = 9240000.

The previous prime is 11839757. The next prime is 11839777. The reversal of 11839775 is 57793811.

It is not a de Polignac number, because 11839775 - 2¹⁰ = 11838751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11839777) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4751 + ... + 6800.

It is an arithmetic number, because the mean of its divisors is an integer number (1253392).

Almost surely, 2^11839775 is an apocalyptic number.

11839775 is a deficient number, since it is larger than the sum of its proper divisors (3200929).

11839775 is a wasteful number, since it uses less digits than its factorization.

11839775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11602 (or 11597 counting only the distinct ones).

The product of its digits is 52920, while the sum is 41.

The square root of 11839775 is about 3440.8974120133. The cubic root of 11839775 is about 227.9193248482.

It can be divided in two parts, 118 and 39775, that added together give a palindrome (39893).

The spelling of 11839775 in words is "eleven million, eight hundred thirty-nine thousand, seven hundred seventy-five".