11267998 has 8 divisors (see below), whose sum is σ = 19316592. Its totient is φ = 4829136.

The previous prime is 11267987. The next prime is 11268011. The reversal of 11267998 is 89976211.

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

It is a congruent number.

It is an unprimeable number.

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, 402415 + ... + 402442.

It is an arithmetic number, because the mean of its divisors is an integer number (2414574).

Almost surely, 2^11267998 is an apocalyptic number.

11267998 is a deficient number, since it is larger than the sum of its proper divisors (8048594).

11267998 is an equidigital number, since it uses as much as digits as its factorization.

11267998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804866.

The product of its digits is 54432, while the sum is 43.

The square root of 11267998 is about 3356.7838774637. The cubic root of 11267998 is about 224.1896645114.

The spelling of 11267998 in words is "eleven million, two hundred sixty-seven thousand, nine hundred ninety-eight".