12321675 has 36 divisors (see below), whose sum is σ = 23038704. Its totient is φ = 6283200.

The previous prime is 12321653. The next prime is 12321679. The reversal of 12321675 is 57612321.

It is a happy number.

It is not a de Polignac number, because 12321675 - 2⁶ = 12321611 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12321679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3985 + ... + 6365.

It is an arithmetic number, because the mean of its divisors is an integer number (639964).

Almost surely, 2^12321675 is an apocalyptic number.

12321675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12321675 is a deficient number, since it is larger than the sum of its proper divisors (10717029).

12321675 is a wasteful number, since it uses less digits than its factorization.

12321675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420 (or 2412 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12321675 is about 3510.2243518043. The cubic root of 12321675 is about 230.9705365244.

Adding to 12321675 its reverse (57612321), we get a palindrome (69933996).

It can be divided in two parts, 12321 and 675, that added together give a square (12996 = 114²).

The spelling of 12321675 in words is "twelve million, three hundred twenty-one thousand, six hundred seventy-five".