11912488 has 24 divisors (see below), whose sum is σ = 25983450. Its totient is φ = 5105184.

The previous prime is 11912471. The next prime is 11912491. The reversal of 11912488 is 88421911.

It can be written as a sum of positive squares in only one way, i.e., 9229444 + 2683044 = 3038^2 + 1638^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14803 + ... + 15586.

Almost surely, 2^11912488 is an apocalyptic number.

It is an amenable number.

11912488 is an abundant number, since it is smaller than the sum of its proper divisors (14070962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11912488 is a wasteful number, since it uses less digits than its factorization.

11912488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30409 (or 30398 counting only the distinct ones).

The product of its digits is 4608, while the sum is 34.

The square root of 11912488 is about 3451.4472326837. The cubic root of 11912488 is about 228.3849555023.

The spelling of 11912488 in words is "eleven million, nine hundred twelve thousand, four hundred eighty-eight".