12851340 has 24 divisors (see below), whose sum is σ = 35983920. Its totient is φ = 3427008.

The previous prime is 12851339. The next prime is 12851347. The reversal of 12851340 is 4315821.

It is a self number, because there is not a number n which added to its sum of digits gives 12851340.

It is not an unprimeable number, because it can be changed into a prime (12851347) 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, 107035 + ... + 107154.

It is an arithmetic number, because the mean of its divisors is an integer number (1499330).

Almost surely, 2^12851340 is an apocalyptic number.

12851340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12851340 is an abundant number, since it is smaller than the sum of its proper divisors (23132580).

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

12851340 is a wasteful number, since it uses less digits than its factorization.

12851340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214201 (or 214199 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 12851340 is about 3584.8765669127. The cubic root of 12851340 is about 234.2337499126.

The spelling of 12851340 in words is "twelve million, eight hundred fifty-one thousand, three hundred forty".