12326620 has 48 divisors (see below), whose sum is σ = 27353088. Its totient is φ = 4656960.

The previous prime is 12326599. The next prime is 12326641. The reversal of 12326620 is 2662321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12326599) and next prime (12326641).

It is a junction number, because it is equal to n+sod(n) for n = 12326591 and 12326600.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 58315 + ... + 58525.

It is an arithmetic number, because the mean of its divisors is an integer number (569856).

Almost surely, 2^12326620 is an apocalyptic number.

12326620 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 12326620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13676544).

12326620 is an abundant number, since it is smaller than the sum of its proper divisors (15026468).

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

12326620 is a wasteful number, since it uses less digits than its factorization.

12326620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 12326620 is about 3510.9286520805. The cubic root of 12326620 is about 231.0014304991.

Adding to 12326620 its reverse (2662321), we get a palindrome (14988941).

The spelling of 12326620 in words is "twelve million, three hundred twenty-six thousand, six hundred twenty".