12669860 has 24 divisors (see below), whose sum is σ = 30408000. Its totient is φ = 4343904.

The previous prime is 12669859. The next prime is 12669863. The reversal of 12669860 is 6896621.

It is not an unprimeable number, because it can be changed into a prime (12669863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45110 + ... + 45389.

It is an arithmetic number, because the mean of its divisors is an integer number (1267000).

Almost surely, 2^12669860 is an apocalyptic number.

12669860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12669860 is an abundant number, since it is smaller than the sum of its proper divisors (17738140).

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

12669860 is a wasteful number, since it uses less digits than its factorization.

12669860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90515 (or 90513 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 12669860 is about 3559.4746803426. The cubic root of 12669860 is about 233.1259427064.

The spelling of 12669860 in words is "twelve million, six hundred sixty-nine thousand, eight hundred sixty".