11297667 has 4 divisors (see below), whose sum is σ = 15063560. Its totient is φ = 7531776.

The previous prime is 11297621. The next prime is 11297677. The reversal of 11297667 is 76679211.

11297667 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11297667 - 2⁶ = 11297603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11297677) 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, 1882942 + ... + 1882947.

It is an arithmetic number, because the mean of its divisors is an integer number (3765890).

Almost surely, 2^11297667 is an apocalyptic number.

11297667 is a deficient number, since it is larger than the sum of its proper divisors (3765893).

11297667 is an equidigital number, since it uses as much as digits as its factorization.

11297667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765892.

The product of its digits is 31752, while the sum is 39.

The square root of 11297667 is about 3361.2002320600. The cubic root of 11297667 is about 224.3862582578.

It can be divided in two parts, 112 and 97667, that added together give a palindrome (97779).

The spelling of 11297667 in words is "eleven million, two hundred ninety-seven thousand, six hundred sixty-seven".