11381912 has 32 divisors (see below), whose sum is σ = 22713600. Its totient is φ = 5331744.

The previous prime is 11381899. The next prime is 11381921. The reversal of 11381912 is 21918311.

11381912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

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, 15293 + ... + 16019.

It is an arithmetic number, because the mean of its divisors is an integer number (709800).

Almost surely, 2^11381912 is an apocalyptic number.

It is an amenable number.

11381912 is a deficient number, since it is larger than the sum of its proper divisors (11331688).

11381912 is a wasteful number, since it uses less digits than its factorization.

11381912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 851 counting only the distinct ones).

The product of its digits is 432, while the sum is 26.

The square root of 11381912 is about 3373.7089382459. The cubic root of 11381912 is about 224.9426158186.

The spelling of 11381912 in words is "eleven million, three hundred eighty-one thousand, nine hundred twelve".