12303820 has 24 divisors (see below), whose sum is σ = 26098128. Its totient is φ = 4872000.

The previous prime is 12303817. The next prime is 12303821. The reversal of 12303820 is 2830321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12303821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (1087422).

Almost surely, 2^12303820 is an apocalyptic number.

12303820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303820 is an abundant number, since it is smaller than the sum of its proper divisors (13794308).

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

12303820 is a wasteful number, since it uses less digits than its factorization.

12303820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201 (or 6199 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12303820 is about 3507.6801450531. The cubic root of 12303820 is about 230.8589182442.

It can be divided in two parts, 1230 and 3820, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 12303820 in words is "twelve million, three hundred three thousand, eight hundred twenty".