11142912 has 72 divisors (see below), whose sum is σ = 32376960. Its totient is φ = 3374080.

The previous prime is 11142907. The next prime is 11142913. The reversal of 11142912 is 21924111.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7789 + ... + 9107.

It is an arithmetic number, because the mean of its divisors is an integer number (449680).

Almost surely, 2^11142912 is an apocalyptic number.

11142912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11142912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16188480).

11142912 is an abundant number, since it is smaller than the sum of its proper divisors (21234048).

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

11142912 is a wasteful number, since it uses less digits than its factorization.

11142912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1335 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

The square root of 11142912 is about 3338.1000584165. The cubic root of 11142912 is about 223.3569995465.

The spelling of 11142912 in words is "eleven million, one hundred forty-two thousand, nine hundred twelve".