11397599 has 4 divisors (see below), whose sum is σ = 12068064. Its totient is φ = 10727136.

The previous prime is 11397593. The next prime is 11397611. The reversal of 11397599 is 99579311.

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

It is not a de Polignac number, because 11397599 - 2¹⁶ = 11332063 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 (11397593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335207 + ... + 335240.

It is an arithmetic number, because the mean of its divisors is an integer number (3017016).

Almost surely, 2^11397599 is an apocalyptic number.

11397599 is a deficient number, since it is larger than the sum of its proper divisors (670465).

11397599 is an equidigital number, since it uses as much as digits as its factorization.

11397599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670464.

The product of its digits is 76545, while the sum is 44.

The square root of 11397599 is about 3376.0330270896. The cubic root of 11397599 is about 225.0459099733.

The spelling of 11397599 in words is "eleven million, three hundred ninety-seven thousand, five hundred ninety-nine".