12268780 has 12 divisors (see below), whose sum is σ = 25764480. Its totient is φ = 4907504.

The previous prime is 12268771. The next prime is 12268783. The reversal of 12268780 is 8786221.

It is not an unprimeable number, because it can be changed into a prime (12268783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306700 + ... + 306739.

It is an arithmetic number, because the mean of its divisors is an integer number (2147040).

Almost surely, 2^12268780 is an apocalyptic number.

12268780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12268780 is an abundant number, since it is smaller than the sum of its proper divisors (13495700).

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

12268780 is a wasteful number, since it uses less digits than its factorization.

12268780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613448 (or 613446 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 12268780 is about 3502.6818296842. The cubic root of 12268780 is about 230.6395558070.

The spelling of 12268780 in words is "twelve million, two hundred sixty-eight thousand, seven hundred eighty".