12280662 has 12 divisors (see below), whose sum is σ = 26608140. Its totient is φ = 4093548.

The previous prime is 12280661. The next prime is 12280687. The reversal of 12280662 is 26608221.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12280661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341112 + ... + 341147.

It is an arithmetic number, because the mean of its divisors is an integer number (2217345).

Almost surely, 2^12280662 is an apocalyptic number.

12280662 is an abundant number, since it is smaller than the sum of its proper divisors (14327478).

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

12280662 is a wasteful number, since it uses less digits than its factorization.

12280662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682267 (or 682264 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12280662 is about 3504.3775481532. The cubic root of 12280662 is about 230.7139879562.

Adding to 12280662 its reverse (26608221), we get a palindrome (38888883).

The spelling of 12280662 in words is "twelve million, two hundred eighty thousand, six hundred sixty-two".