12455668 has 6 divisors (see below), whose sum is σ = 21797426. Its totient is φ = 6227832.

The previous prime is 12455657. The next prime is 12455671. The reversal of 12455668 is 86655421.

It can be written as a sum of positive squares in only one way, i.e., 6492304 + 5963364 = 2548^2 + 2442^2 .

It is a plaindrome in base 10.

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, 1556955 + ... + 1556962.

Almost surely, 2^12455668 is an apocalyptic number.

It is an amenable number.

12455668 is a deficient number, since it is larger than the sum of its proper divisors (9341758).

12455668 is a wasteful number, since it uses less digits than its factorization.

12455668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113921 (or 3113919 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 12455668 is about 3529.2588457068. The cubic root of 12455668 is about 231.8047554723.

The spelling of 12455668 in words is "twelve million, four hundred fifty-five thousand, six hundred sixty-eight".