11321912 has 32 divisors (see below), whose sum is σ = 24417120. Its totient is φ = 4821120.

The previous prime is 11321903. The next prime is 11321917. The reversal of 11321912 is 21912311.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321917) 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, 9578 + ... + 10694.

It is an arithmetic number, because the mean of its divisors is an integer number (763035).

Almost surely, 2^11321912 is an apocalyptic number.

It is an amenable number.

11321912 is an abundant number, since it is smaller than the sum of its proper divisors (13095208).

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

11321912 is a wasteful number, since it uses less digits than its factorization.

11321912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1307 counting only the distinct ones).

The product of its digits is 108, while the sum is 20.

The square root of 11321912 is about 3364.8048977615. The cubic root of 11321912 is about 224.5466559117.

The spelling of 11321912 in words is "eleven million, three hundred twenty-one thousand, nine hundred twelve".