11498791 has 4 divisors (see below), whose sum is σ = 11565432. Its totient is φ = 11432152.

The previous prime is 11498789. The next prime is 11498797. The reversal of 11498791 is 19789411.

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 11498791 - 2¹ = 11498789 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11498797) 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, 33061 + ... + 33406.

It is an arithmetic number, because the mean of its divisors is an integer number (2891358).

Almost surely, 2^11498791 is an apocalyptic number.

11498791 is a deficient number, since it is larger than the sum of its proper divisors (66641).

11498791 is an equidigital number, since it uses as much as digits as its factorization.

11498791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66640.

The product of its digits is 18144, while the sum is 40.

The square root of 11498791 is about 3390.9867295523. The cubic root of 11498791 is about 225.7099615572.

The spelling of 11498791 in words is "eleven million, four hundred ninety-eight thousand, seven hundred ninety-one".