11498761 has 4 divisors (see below), whose sum is σ = 11895300. Its totient is φ = 11102224.

The previous prime is 11498731. The next prime is 11498779. The reversal of 11498761 is 16789411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5148361 + 6350400 = 2269^2 + 2520^2 .

It is a cyclic number.

It is not a de Polignac number, because 11498761 - 2⁷ = 11498633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11498761.

It is not an unprimeable number, because it can be changed into a prime (11498731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198226 + ... + 198283.

It is an arithmetic number, because the mean of its divisors is an integer number (2973825).

Almost surely, 2^11498761 is an apocalyptic number.

It is an amenable number.

11498761 is a deficient number, since it is larger than the sum of its proper divisors (396539).

11498761 is an equidigital number, since it uses as much as digits as its factorization.

11498761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396538.

The product of its digits is 12096, while the sum is 37.

The square root of 11498761 is about 3390.9823060582. The cubic root of 11498761 is about 225.7097652668.

The spelling of 11498761 in words is "eleven million, four hundred ninety-eight thousand, seven hundred sixty-one".