12326860 has 72 divisors (see below), whose sum is σ = 32096736. Its totient is φ = 3893760.

The previous prime is 12326837. The next prime is 12326863. The reversal of 12326860 is 6862321.

12326860 = 183² + 184² + ... + 350².

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (12326863) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 23400 + ... + 23920.

It is an arithmetic number, because the mean of its divisors is an integer number (445788).

Almost surely, 2^12326860 is an apocalyptic number.

12326860 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 12326860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16048368).

12326860 is an abundant number, since it is smaller than the sum of its proper divisors (19769876).

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

12326860 is a wasteful number, since it uses less digits than its factorization.

12326860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12326860 is about 3510.9628309055. The cubic root of 12326860 is about 231.0029296930.

The spelling of 12326860 in words is "twelve million, three hundred twenty-six thousand, eight hundred sixty".