12851320 has 32 divisors (see below), whose sum is σ = 30618000. Its totient is φ = 4837888.

The previous prime is 12851317. The next prime is 12851323. The reversal of 12851320 is 2315821.

It is an interprime number because it is at equal distance from previous prime (12851317) and next prime (12851323).

It is a junction number, because it is equal to n+sod(n) for n = 12851291 and 12851300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12851323) 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, 8770 + ... + 10129.

Almost surely, 2^12851320 is an apocalyptic number.

12851320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12851320 is an abundant number, since it is smaller than the sum of its proper divisors (17766680).

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

12851320 is a wasteful number, since it uses less digits than its factorization.

12851320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18927 (or 18923 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12851320 is about 3584.8737774153. The cubic root of 12851320 is about 234.2336284031.

The spelling of 12851320 in words is "twelve million, eight hundred fifty-one thousand, three hundred twenty".