12326020 has 48 divisors (see below), whose sum is σ = 31328640. Its totient is φ = 3976704.

The previous prime is 12326011. The next prime is 12326023. The reversal of 12326020 is 2062321.

12326020 = 261² + 262² + ... + 379².

It is a junction number, because it is equal to n+sod(n) for n = 12325985 and 12326003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326023) 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, 210 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (652680).

Almost surely, 2^12326020 is an apocalyptic number.

12326020 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 12326020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15664320).

12326020 is an abundant number, since it is smaller than the sum of its proper divisors (19002620).

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

12326020 is a wasteful number, since it uses less digits than its factorization.

12326020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212 (or 5210 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12326020 is about 3510.8432035624. The cubic root of 12326020 is about 230.9976824290.

Adding to 12326020 its reverse (2062321), we get a palindrome (14388341).

The spelling of 12326020 in words is "twelve million, three hundred twenty-six thousand, twenty".