13666054 has 8 divisors (see below), whose sum is σ = 21578040. Its totient is φ = 6473376.

The previous prime is 13666031. The next prime is 13666067. The reversal of 13666054 is 45066631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13666054² = 373522063861832, 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 in 3 ways as a sum of consecutive naturals, for example, 179779 + ... + 179854.

It is an arithmetic number, because the mean of its divisors is an integer number (2697255).

Almost surely, 2^13666054 is an apocalyptic number.

13666054 is a deficient number, since it is larger than the sum of its proper divisors (7911986).

13666054 is a wasteful number, since it uses less digits than its factorization.

13666054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359654.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 13666054 is about 3696.7626377683. The cubic root of 13666054 is about 239.0824572656.

The spelling of 13666054 in words is "thirteen million, six hundred sixty-six thousand, fifty-four".