11297805 has 8 divisors (see below), whose sum is σ = 18076512. Its totient is φ = 6025488.

The previous prime is 11297801. The next prime is 11297821. The reversal of 11297805 is 50879211.

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

It is not a de Polignac number, because 11297805 - 2² = 11297801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11297801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376579 + ... + 376608.

It is an arithmetic number, because the mean of its divisors is an integer number (2259564).

Almost surely, 2^11297805 is an apocalyptic number.

11297805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11297805 is a deficient number, since it is larger than the sum of its proper divisors (6778707).

11297805 is an equidigital number, since it uses as much as digits as its factorization.

11297805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753195.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 11297805 is about 3361.2207603786. The cubic root of 11297805 is about 224.3871718735.

The spelling of 11297805 in words is "eleven million, two hundred ninety-seven thousand, eight hundred five".