11988849 has 4 divisors (see below), whose sum is σ = 15985136. Its totient is φ = 7992564.

The previous prime is 11988841. The next prime is 11988853. The reversal of 11988849 is 94888911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11988849 - 2³ = 11988841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11988798 and 11988807.

It is not an unprimeable number, because it can be changed into a prime (11988841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1998139 + ... + 1998144.

It is an arithmetic number, because the mean of its divisors is an integer number (3996284).

Almost surely, 2^11988849 is an apocalyptic number.

It is an amenable number.

11988849 is a deficient number, since it is larger than the sum of its proper divisors (3996287).

11988849 is an equidigital number, since it uses as much as digits as its factorization.

11988849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996286.

The product of its digits is 165888, while the sum is 48.

The square root of 11988849 is about 3462.4917328421. The cubic root of 11988849 is about 228.8719114861.

The spelling of 11988849 in words is "eleven million, nine hundred eighty-eight thousand, eight hundred forty-nine".