11299861 has 4 divisors (see below), whose sum is σ = 11323552. Its totient is φ = 11276172.

The previous prime is 11299843. The next prime is 11299891. The reversal of 11299861 is 16899211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11299861 - 2⁵ = 11299829 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 11299861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11299891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11115 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (2830888).

Almost surely, 2^11299861 is an apocalyptic number.

It is an amenable number.

11299861 is a deficient number, since it is larger than the sum of its proper divisors (23691).

11299861 is an equidigital number, since it uses as much as digits as its factorization.

11299861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23690.

The product of its digits is 7776, while the sum is 37.

The square root of 11299861 is about 3361.5265877277. The cubic root of 11299861 is about 224.4007825422.

The spelling of 11299861 in words is "eleven million, two hundred ninety-nine thousand, eight hundred sixty-one".