11105412 has 24 divisors (see below), whose sum is σ = 27039936. Its totient is φ = 3540768.

The previous prime is 11105411. The next prime is 11105429. The reversal of 11105412 is 21450111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11105391 and 11105400.

It is not an unprimeable number, because it can be changed into a prime (11105411) 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, 19843 + ... + 20394.

It is an arithmetic number, because the mean of its divisors is an integer number (1126664).

Almost surely, 2^11105412 is an apocalyptic number.

11105412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11105412 is an abundant number, since it is smaller than the sum of its proper divisors (15934524).

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

11105412 is a wasteful number, since it uses less digits than its factorization.

11105412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40267 (or 40265 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 11105412 is about 3332.4783570190. The cubic root of 11105412 is about 223.1061584416.

Adding to 11105412 its reverse (21450111), we get a palindrome (32555523).

The spelling of 11105412 in words is "eleven million, one hundred five thousand, four hundred twelve".