11071399 has 8 divisors (see below), whose sum is σ = 11529200. Its totient is φ = 10622016.

The previous prime is 11071391. The next prime is 11071421. The reversal of 11071399 is 99317011.

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 11071399 - 2³ = 11071391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11071399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11071391) 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, 652 + ... + 4750.

It is an arithmetic number, because the mean of its divisors is an integer number (1441150).

Almost surely, 2^11071399 is an apocalyptic number.

11071399 is a deficient number, since it is larger than the sum of its proper divisors (457801).

11071399 is an equidigital number, since it uses as much as digits as its factorization.

11071399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 11071399 is about 3327.3711845840. The cubic root of 11071399 is about 222.8781533876.

The spelling of 11071399 in words is "eleven million, seventy-one thousand, three hundred ninety-nine".