11249889 has 8 divisors (see below), whose sum is σ = 17142720. Its totient is φ = 6428496.

The previous prime is 11249851. The next prime is 11249891. The reversal of 11249889 is 98894211.

11249889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11249889 - 2⁸ = 11249633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11249889.

It is not an unprimeable number, because it can be changed into a prime (11249809) 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, 267834 + ... + 267875.

It is an arithmetic number, because the mean of its divisors is an integer number (2142840).

Almost surely, 2^11249889 is an apocalyptic number.

It is an amenable number.

11249889 is a deficient number, since it is larger than the sum of its proper divisors (5892831).

11249889 is an equidigital number, since it uses as much as digits as its factorization.

11249889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535719.

The product of its digits is 41472, while the sum is 42.

The square root of 11249889 is about 3354.0854193058. The cubic root of 11249889 is about 224.0695003833.

The spelling of 11249889 in words is "eleven million, two hundred forty-nine thousand, eight hundred eighty-nine".