12743380 has 48 divisors (see below), whose sum is σ = 30086784. Its totient is φ = 4498560.

The previous prime is 12743359. The next prime is 12743389. The reversal of 12743380 is 8334721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12743389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4915 + ... + 7045.

It is an arithmetic number, because the mean of its divisors is an integer number (626808).

Almost surely, 2^12743380 is an apocalyptic number.

12743380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12743380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15043392).

12743380 is an abundant number, since it is smaller than the sum of its proper divisors (17343404).

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

12743380 is a wasteful number, since it uses less digits than its factorization.

12743380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12743380 is about 3569.7871084982. The cubic root of 12743380 is about 233.5759969786.

The spelling of 12743380 in words is "twelve million, seven hundred forty-three thousand, three hundred eighty".