12943788 has 96 divisors (see below), whose sum is σ = 37443840. Its totient is φ = 3421440.

The previous prime is 12943781. The next prime is 12943793. The reversal of 12943788 is 88734921.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12943781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32406 + ... + 32802.

It is an arithmetic number, because the mean of its divisors is an integer number (390040).

Almost surely, 2^12943788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12943788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18721920).

12943788 is an abundant number, since it is smaller than the sum of its proper divisors (24500052).

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

12943788 is a wasteful number, since it uses less digits than its factorization.

12943788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 445 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 12943788 is about 3597.7476287255. The cubic root of 12943788 is about 234.7940734128.

It can be divided in two parts, 12943 and 788, that added together give a palindrome (13731).

The spelling of 12943788 in words is "twelve million, nine hundred forty-three thousand, seven hundred eighty-eight".