11688249 has 24 divisors (see below), whose sum is σ = 16948960. Its totient is φ = 7143552.

The previous prime is 11688221. The next prime is 11688251. The reversal of 11688249 is 94288611.

11688249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11688249 - 2⁷ = 11688121 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11688269) 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, 160077 + ... + 160149.

Almost surely, 2^11688249 is an apocalyptic number.

11688249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11688249 is a deficient number, since it is larger than the sum of its proper divisors (5260711).

11688249 is an equidigital number, since it uses as much as digits as its factorization.

11688249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 148 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 11688249 is about 3418.8081256485. The cubic root of 11688249 is about 226.9428397935.

The spelling of 11688249 in words is "eleven million, six hundred eighty-eight thousand, two hundred forty-nine".