13456668 has 12 divisors (see below), whose sum is σ = 31398920. Its totient is φ = 4485552.

The previous prime is 13456657. The next prime is 13456687. The reversal of 13456668 is 86665431.

13456668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 in 3 ways as a sum of consecutive naturals, for example, 560683 + ... + 560706.

Almost surely, 2^13456668 is an apocalyptic number.

It is an amenable number.

13456668 is an abundant number, since it is smaller than the sum of its proper divisors (17942252).

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

13456668 is a wasteful number, since it uses less digits than its factorization.

13456668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121396 (or 1121394 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 13456668 is about 3668.3331364531. Note that the first 3 decimals coincide. The cubic root of 13456668 is about 237.8551245025.

The spelling of 13456668 in words is "thirteen million, four hundred fifty-six thousand, six hundred sixty-eight".