11434820 has 12 divisors (see below), whose sum is σ = 24013164. Its totient is φ = 4573920.

The previous prime is 11434817. The next prime is 11434853. The reversal of 11434820 is 2843411.

It can be written as a sum of positive squares in 2 ways, for example, as 5607424 + 5827396 = 2368^2 + 2414^2 .

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, 285851 + ... + 285890.

It is an arithmetic number, because the mean of its divisors is an integer number (2001097).

Almost surely, 2^11434820 is an apocalyptic number.

11434820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11434820 is an abundant number, since it is smaller than the sum of its proper divisors (12578344).

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

11434820 is a wasteful number, since it uses less digits than its factorization.

11434820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571750 (or 571748 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 11434820 is about 3381.5410688028. The cubic root of 11434820 is about 225.2906203446.

The spelling of 11434820 in words is "eleven million, four hundred thirty-four thousand, eight hundred twenty".