12320670 has 32 divisors (see below), whose sum is σ = 29746080. Its totient is φ = 3265920.

The previous prime is 12320669. The next prime is 12320677. The reversal of 12320670 is 7602321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4296 + ... + 6564.

It is an arithmetic number, because the mean of its divisors is an integer number (929565).

Almost surely, 2^12320670 is an apocalyptic number.

12320670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320670 is an abundant number, since it is smaller than the sum of its proper divisors (17425410).

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

12320670 is a wasteful number, since it uses less digits than its factorization.

12320670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12320670 is about 3510.0811956421. The cubic root of 12320670 is about 230.9642567586.

Adding to 12320670 its reverse (7602321), we get a palindrome (19922991).

The spelling of 12320670 in words is "twelve million, three hundred twenty thousand, six hundred seventy".