11720267 has 8 divisors (see below), whose sum is σ = 12745824. Its totient is φ = 10712448.

The previous prime is 11720257. The next prime is 11720281. The reversal of 11720267 is 76202711.

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 11720267 - 2⁴ = 11720251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11720257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3038 + ... + 5715.

It is an arithmetic number, because the mean of its divisors is an integer number (1593228).

Almost surely, 2^11720267 is an apocalyptic number.

11720267 is a deficient number, since it is larger than the sum of its proper divisors (1025557).

11720267 is a wasteful number, since it uses less digits than its factorization.

11720267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8869.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 11720267 is about 3423.4875492690. The cubic root of 11720267 is about 227.1498748258.

Adding to 11720267 its reverse (76202711), we get a palindrome (87922978).

The spelling of 11720267 in words is "eleven million, seven hundred twenty thousand, two hundred sixty-seven".