12328870 has 16 divisors (see below), whose sum is σ = 22257360. Its totient is φ = 4917024.

The previous prime is 12328867. The next prime is 12328873. The reversal of 12328870 is 7882321.

It is an interprime number because it is at equal distance from previous prime (12328867) and next prime (12328873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164 + ... + 5416.

It is an arithmetic number, because the mean of its divisors is an integer number (1391085).

Almost surely, 2^12328870 is an apocalyptic number.

12328870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12328870 is a deficient number, since it is larger than the sum of its proper divisors (9928490).

12328870 is a wasteful number, since it uses less digits than its factorization.

12328870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 12328870 is about 3511.2490655036. The cubic root of 12328870 is about 231.0154846788.

The spelling of 12328870 in words is "twelve million, three hundred twenty-eight thousand, eight hundred seventy".