11134820 has 12 divisors (see below), whose sum is σ = 23383164. Its totient is φ = 4453920.

The previous prime is 11134819. The next prime is 11134841. The reversal of 11134820 is 2843111.

It can be written as a sum of positive squares in 2 ways, for example, as 8726116 + 2408704 = 2954^2 + 1552^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 556741 = 11134820 / (1 + 1 + 1 + 3 + 4 + 8 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 11134792 and 11134801.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 278351 + ... + 278390.

It is an arithmetic number, because the mean of its divisors is an integer number (1948597).

Almost surely, 2^11134820 is an apocalyptic number.

11134820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11134820 is an abundant number, since it is smaller than the sum of its proper divisors (12248344).

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

11134820 is a wasteful number, since it uses less digits than its factorization.

11134820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556750 (or 556748 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 11134820 is about 3336.8877715620. The cubic root of 11134820 is about 223.3029190532.

Adding to 11134820 its reverse (2843111), we get a palindrome (13977931).

The spelling of 11134820 in words is "eleven million, one hundred thirty-four thousand, eight hundred twenty".