12705662 has 4 divisors (see below), whose sum is σ = 19058496. Its totient is φ = 6352830.

The previous prime is 12705659. The next prime is 12705697. The reversal of 12705662 is 26650721.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12705662² = 322867693716488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3176414 + ... + 3176417.

It is an arithmetic number, because the mean of its divisors is an integer number (4764624).

Almost surely, 2^12705662 is an apocalyptic number.

12705662 is a deficient number, since it is larger than the sum of its proper divisors (6352834).

12705662 is an equidigital number, since it uses as much as digits as its factorization.

12705662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352833.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 12705662 is about 3564.5002454762. The cubic root of 12705662 is about 233.3453222865.

The spelling of 12705662 in words is "twelve million, seven hundred five thousand, six hundred sixty-two".