11703820 has 48 divisors (see below), whose sum is σ = 26943840. Its totient is φ = 4250624.

The previous prime is 11703817. The next prime is 11703821. The reversal of 11703820 is 2830711.

It is a junction number, because it is equal to n+sod(n) for n = 11703791 and 11703800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11703821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9267 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (561330).

Almost surely, 2^11703820 is an apocalyptic number.

11703820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11703820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13471920).

11703820 is an abundant number, since it is smaller than the sum of its proper divisors (15240020).

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

11703820 is a wasteful number, since it uses less digits than its factorization.

11703820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11703820 is about 3421.0846233322. The cubic root of 11703820 is about 227.0435722733.

The spelling of 11703820 in words is "eleven million, seven hundred three thousand, eight hundred twenty".