11498887 has 4 divisors (see below), whose sum is σ = 11656480. Its totient is φ = 11341296.

The previous prime is 11498843. The next prime is 11498909. The reversal of 11498887 is 78889411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11498887 - 2¹⁹ = 10974599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11498087) 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, 78687 + ... + 78832.

It is an arithmetic number, because the mean of its divisors is an integer number (2914120).

Almost surely, 2^11498887 is an apocalyptic number.

11498887 is a deficient number, since it is larger than the sum of its proper divisors (157593).

11498887 is an equidigital number, since it uses as much as digits as its factorization.

11498887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157592.

The product of its digits is 129024, while the sum is 46.

The square root of 11498887 is about 3391.0008846947. Note that the first 3 decimals coincide. The cubic root of 11498887 is about 225.7105896839.

The spelling of 11498887 in words is "eleven million, four hundred ninety-eight thousand, eight hundred eighty-seven".