11103420 has 24 divisors (see below), whose sum is σ = 31089744. Its totient is φ = 2960896.

The previous prime is 11103409. The next prime is 11103427. The reversal of 11103420 is 2430111.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 11103396 and 11103405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103427) 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 7 ways as a sum of consecutive naturals, for example, 92469 + ... + 92588.

It is an arithmetic number, because the mean of its divisors is an integer number (1295406).

Almost surely, 2^11103420 is an apocalyptic number.

11103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103420 is an abundant number, since it is smaller than the sum of its proper divisors (19986324).

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

11103420 is a wasteful number, since it uses less digits than its factorization.

11103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185069 (or 185067 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11103420 is about 3332.1794669555. The cubic root of 11103420 is about 223.0928179778.

Adding to 11103420 its reverse (2430111), we get a palindrome (13533531).

The spelling of 11103420 in words is "eleven million, one hundred three thousand, four hundred twenty".