11381836 has 24 divisors (see below), whose sum is σ = 21647360. Its totient is φ = 5216400.

The previous prime is 11381831. The next prime is 11381837. The reversal of 11381836 is 63818311.

11381836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 11381798 and 11381807.

It is not an unprimeable number, because it can be changed into a prime (11381831) 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, 60 + ... + 4771.

Almost surely, 2^11381836 is an apocalyptic number.

It is an amenable number.

11381836 is a deficient number, since it is larger than the sum of its proper divisors (10265524).

11381836 is a wasteful number, since it uses less digits than its factorization.

11381836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885 (or 4883 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 11381836 is about 3373.6976746591. The cubic root of 11381836 is about 224.9421151506.

The spelling of 11381836 in words is "eleven million, three hundred eighty-one thousand, eight hundred thirty-six".