11399479 has 8 divisors (see below), whose sum is σ = 14030240. Its totient is φ = 9019296.

The previous prime is 11399471. The next prime is 11399501. The reversal of 11399479 is 97499311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11399479 - 2³ = 11399471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11399471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62544 + ... + 62725.

It is an arithmetic number, because the mean of its divisors is an integer number (1753780).

Almost surely, 2^11399479 is an apocalyptic number.

11399479 is a deficient number, since it is larger than the sum of its proper divisors (2630761).

11399479 is a wasteful number, since it uses less digits than its factorization.

11399479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125289.

The product of its digits is 61236, while the sum is 43.

The square root of 11399479 is about 3376.3114489040. The cubic root of 11399479 is about 225.0582828438.

The spelling of 11399479 in words is "eleven million, three hundred ninety-nine thousand, four hundred seventy-nine".