11498871 has 4 divisors (see below), whose sum is σ = 15331832. Its totient is φ = 7665912.

The previous prime is 11498843. The next prime is 11498909. The reversal of 11498871 is 17889411.

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

It is not a de Polignac number, because 11498871 - 2¹³ = 11490679 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 (11498831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916476 + ... + 1916481.

It is an arithmetic number, because the mean of its divisors is an integer number (3832958).

Almost surely, 2^11498871 is an apocalyptic number.

11498871 is a deficient number, since it is larger than the sum of its proper divisors (3832961).

11498871 is an equidigital number, since it uses as much as digits as its factorization.

11498871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832960.

The product of its digits is 16128, while the sum is 39.

The square root of 11498871 is about 3390.9985255084. The cubic root of 11498871 is about 225.7104849964.

The spelling of 11498871 in words is "eleven million, four hundred ninety-eight thousand, eight hundred seventy-one".