12280746 has 32 divisors (see below), whose sum is σ = 25623360. Its totient is φ = 3919104.

The previous prime is 12280733. The next prime is 12280753. The reversal of 12280746 is 64708221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28146 + ... + 28578.

It is an arithmetic number, because the mean of its divisors is an integer number (800730).

Almost surely, 2^12280746 is an apocalyptic number.

12280746 is an abundant number, since it is smaller than the sum of its proper divisors (13342614).

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

12280746 is a wasteful number, since it uses less digits than its factorization.

12280746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12280746 is about 3504.3895331427. The cubic root of 12280746 is about 230.7145139846.

Adding to 12280746 its reverse (64708221), we get a palindrome (76988967).

The spelling of 12280746 in words is "twelve million, two hundred eighty thousand, seven hundred forty-six".