11013912 has 144 divisors (see below), whose sum is σ = 37630320. Its totient is φ = 2833920.

The previous prime is 11013911. The next prime is 11013913. The reversal of 11013912 is 21931011.

It is an interprime number because it is at equal distance from previous prime (11013911) and next prime (11013913).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013911) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 268612 + ... + 268652.

Almost surely, 2^11013912 is an apocalyptic number.

11013912 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 11013912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18815160).

11013912 is an abundant number, since it is smaller than the sum of its proper divisors (26616408).

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

11013912 is a wasteful number, since it uses less digits than its factorization.

11013912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 11013912 is about 3318.7214405551. The cubic root of 11013912 is about 222.4917271679.

Adding to 11013912 its reverse (21931011), we get a palindrome (32944923).

The spelling of 11013912 in words is "eleven million, thirteen thousand, nine hundred twelve".