11399136 has 48 divisors (see below), whose sum is σ = 34199424. Its totient is φ = 3256704.

The previous prime is 11399123. The next prime is 11399153. The reversal of 11399136 is 63199311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 11399097 and 11399106.

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, 7810 + ... + 9153.

It is an arithmetic number, because the mean of its divisors is an integer number (712488).

Almost surely, 2^11399136 is an apocalyptic number.

11399136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11399136 is an abundant number, since it is smaller than the sum of its proper divisors (22800288).

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

11399136 is a wasteful number, since it uses less digits than its factorization.

11399136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16983 (or 16975 counting only the distinct ones).

The product of its digits is 4374, while the sum is 33.

The square root of 11399136 is about 3376.2606534449. The cubic root of 11399136 is about 225.0560255545.

The spelling of 11399136 in words is "eleven million, three hundred ninety-nine thousand, one hundred thirty-six".