11399000 has 32 divisors (see below), whose sum is σ = 26676000. Its totient is φ = 4559200.

The previous prime is 11398991. The next prime is 11399029. The reversal of 11399000 is 99311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4700 + ... + 6699.

It is an arithmetic number, because the mean of its divisors is an integer number (833625).

Almost surely, 2^11399000 is an apocalyptic number.

11399000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11399000 is an abundant number, since it is smaller than the sum of its proper divisors (15277000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11399000 is a wasteful number, since it uses less digits than its factorization.

11399000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11420 (or 11406 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 11399000 is about 3376.2405127597. The cubic root of 11399000 is about 225.0551305235.

The spelling of 11399000 in words is "eleven million, three hundred ninety-nine thousand".