11872388 has 24 divisors (see below), whose sum is σ = 23151744. Its totient is φ = 5280800.

The previous prime is 11872387. The next prime is 11872391. The reversal of 11872388 is 88327811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11872381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803 + ... + 4938.

It is an arithmetic number, because the mean of its divisors is an integer number (964656).

Almost surely, 2^11872388 is an apocalyptic number.

It is an amenable number.

11872388 is a deficient number, since it is larger than the sum of its proper divisors (11279356).

11872388 is a wasteful number, since it uses less digits than its factorization.

11872388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803 (or 5801 counting only the distinct ones).

The product of its digits is 21504, while the sum is 38.

The square root of 11872388 is about 3445.6331783868. The cubic root of 11872388 is about 228.1284031018.

It can be divided in two parts, 118723 and 88, that added together give a palindrome (118811).

The spelling of 11872388 in words is "eleven million, eight hundred seventy-two thousand, three hundred eighty-eight".