11399273 has 4 divisors (see below), whose sum is σ = 11407440. Its totient is φ = 11391108.

The previous prime is 11399261. The next prime is 11399279. The reversal of 11399273 is 37299311.

11399273 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11399273 - 2¹⁰ = 11398249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11399279) 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 3 ways as a sum of consecutive naturals, for example, 1403 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (2851860).

Almost surely, 2^11399273 is an apocalyptic number.

It is an amenable number.

11399273 is a deficient number, since it is larger than the sum of its proper divisors (8167).

11399273 is an equidigital number, since it uses as much as digits as its factorization.

11399273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8166.

The product of its digits is 10206, while the sum is 35.

The square root of 11399273 is about 3376.2809421018. The cubic root of 11399273 is about 225.0569271595.

The spelling of 11399273 in words is "eleven million, three hundred ninety-nine thousand, two hundred seventy-three".