11600399 has 4 divisors (see below), whose sum is σ = 11847264. Its totient is φ = 11353536.

The previous prime is 11600389. The next prime is 11600401. The reversal of 11600399 is 99300611.

11600399 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 an emirpimes, since its reverse is a distinct semiprime: 99300611 = 29 ⋅3424159.

It is a cyclic number.

It is not a de Polignac number, because 11600399 - 2¹² = 11596303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11600339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123362 + ... + 123455.

It is an arithmetic number, because the mean of its divisors is an integer number (2961816).

Almost surely, 2^11600399 is an apocalyptic number.

11600399 is a deficient number, since it is larger than the sum of its proper divisors (246865).

11600399 is an equidigital number, since it uses as much as digits as its factorization.

11600399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246864.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 11600399 is about 3405.9358478985. The cubic root of 11600399 is about 226.3728346147.

The spelling of 11600399 in words is "eleven million, six hundred thousand, three hundred ninety-nine".