11103426 has 16 divisors (see below), whose sum is σ = 24674400. Its totient is φ = 3701124.

The previous prime is 11103409. The next prime is 11103427. The reversal of 11103426 is 62430111.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11103399 and 11103408.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102756 + ... + 102863.

It is an arithmetic number, because the mean of its divisors is an integer number (1542150).

Almost surely, 2^11103426 is an apocalyptic number.

11103426 is an abundant number, since it is smaller than the sum of its proper divisors (13570974).

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

11103426 is a wasteful number, since it uses less digits than its factorization.

11103426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205630 (or 205624 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11103426 is about 3332.1803672671. The cubic root of 11103426 is about 223.0928581623.

Adding to 11103426 its reverse (62430111), we get a palindrome (73533537).

The spelling of 11103426 in words is "eleven million, one hundred three thousand, four hundred twenty-six".