12661662 has 32 divisors (see below), whose sum is σ = 27417600. Its totient is φ = 3875040.

The previous prime is 12661637. The next prime is 12661667. The reversal of 12661662 is 26616621.

12661662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12661667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20839 + ... + 21437.

It is an arithmetic number, because the mean of its divisors is an integer number (856800).

Almost surely, 2^12661662 is an apocalyptic number.

12661662 is an abundant number, since it is smaller than the sum of its proper divisors (14755938).

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

12661662 is a wasteful number, since it uses less digits than its factorization.

12661662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888.

The product of its digits is 5184, while the sum is 30.

The square root of 12661662 is about 3558.3229195788. The cubic root of 12661662 is about 233.0756506792.

The spelling of 12661662 in words is "twelve million, six hundred sixty-one thousand, six hundred sixty-two".