12843380 has 24 divisors (see below), whose sum is σ = 29423520. Its totient is φ = 4670240.

The previous prime is 12843377. The next prime is 12843409. The reversal of 12843380 is 8334821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28970 + ... + 29409.

It is an arithmetic number, because the mean of its divisors is an integer number (1225980).

Almost surely, 2^12843380 is an apocalyptic number.

12843380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12843380 is an abundant number, since it is smaller than the sum of its proper divisors (16580140).

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

12843380 is a wasteful number, since it uses less digits than its factorization.

12843380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58399 (or 58397 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 12843380 is about 3583.7661754082. The cubic root of 12843380 is about 234.1853791919.

It can be divided in two parts, 1284 and 3380, that added together give a palindrome (4664).

The spelling of 12843380 in words is "twelve million, eight hundred forty-three thousand, three hundred eighty".