11298981 has 8 divisors (see below), whose sum is σ = 15415840. Its totient is φ = 7357392.

The previous prime is 11298961. The next prime is 11299007. The reversal of 11298981 is 18989211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11298981 - 2⁷ = 11298853 is a prime.

It is a super-2 number, since 2×11298981² = 255333943276722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11298961) 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 7 ways as a sum of consecutive naturals, for example, 43666 + ... + 43923.

It is an arithmetic number, because the mean of its divisors is an integer number (1926980).

Almost surely, 2^11298981 is an apocalyptic number.

It is an amenable number.

11298981 is a deficient number, since it is larger than the sum of its proper divisors (4116859).

11298981 is an equidigital number, since it uses as much as digits as its factorization.

11298981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87635.

The product of its digits is 10368, while the sum is 39.

The square root of 11298981 is about 3361.3956922683. The cubic root of 11298981 is about 224.3949571663.

The spelling of 11298981 in words is "eleven million, two hundred ninety-eight thousand, nine hundred eighty-one".