11111412 has 36 divisors (see below), whose sum is σ = 28079520. Its totient is φ = 3418272.

The previous prime is 11111407. The next prime is 11111413. The reversal of 11111412 is 21411111.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 712 + ... + 4767.

Almost surely, 2^11111412 is an apocalyptic number.

11111412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111412 is an abundant number, since it is smaller than the sum of its proper divisors (16968108).

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

11111412 is a wasteful number, since it uses less digits than its factorization.

11111412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512 (or 5497 counting only the distinct ones).

The product of its digits is 8, while the sum is 12.

The square root of 11111412 is about 3333.3784663611. The cubic root of 11111412 is about 223.1463309252.

Adding to 11111412 its reverse (21411111), we get a palindrome (32522523).

The spelling of 11111412 in words is "eleven million, one hundred eleven thousand, four hundred twelve".