12849668 has 24 divisors (see below), whose sum is σ = 25054680. Its totient is φ = 5725440.

The previous prime is 12849653. The next prime is 12849673. The reversal of 12849668 is 86694821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 515524 + 12334144 = 718^2 + 3512^2 .

It is a super-2 number, since 2×12849668² = 330227935420448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (1043945).

Almost surely, 2^12849668 is an apocalyptic number.

It is an amenable number.

12849668 is a deficient number, since it is larger than the sum of its proper divisors (12205012).

12849668 is a wasteful number, since it uses less digits than its factorization.

12849668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8567 (or 8565 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 12849668 is about 3584.6433574346. The cubic root of 12849668 is about 234.2235912880.

The spelling of 12849668 in words is "twelve million, eight hundred forty-nine thousand, six hundred sixty-eight".