11420112 has 80 divisors (see below), whose sum is σ = 32997888. Its totient is φ = 3373440.

The previous prime is 11420111. The next prime is 11420131. The reversal of 11420112 is 21102411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22453 + ... + 22955.

Almost surely, 2^11420112 is an apocalyptic number.

11420112 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 11420112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16498944).

11420112 is an abundant number, since it is smaller than the sum of its proper divisors (21577776).

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

11420112 is a wasteful number, since it uses less digits than its factorization.

11420112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11420112 is about 3379.3656209413. The cubic root of 11420112 is about 225.1939857917.

Adding to 11420112 its reverse (21102411), we get a palindrome (32522523).

The spelling of 11420112 in words is "eleven million, four hundred twenty thousand, one hundred twelve".