11297993 has 8 divisors (see below), whose sum is σ = 13124160. Its totient is φ = 9524880.

The previous prime is 11297983. The next prime is 11298011. The reversal of 11297993 is 39979211.

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

It is a cyclic number.

It is not a de Polignac number, because 11297993 - 2⁶ = 11297929 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11297993.

It is not an unprimeable number, because it can be changed into a prime (11297933) 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, 12803 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (1640520).

Almost surely, 2^11297993 is an apocalyptic number.

It is an amenable number.

11297993 is a deficient number, since it is larger than the sum of its proper divisors (1826167).

11297993 is an equidigital number, since it uses as much as digits as its factorization.

11297993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26527.

The product of its digits is 30618, while the sum is 41.

The square root of 11297993 is about 3361.2487262921. The cubic root of 11297993 is about 224.3884164974.

The spelling of 11297993 in words is "eleven million, two hundred ninety-seven thousand, nine hundred ninety-three".