13542666 has 32 divisors (see below), whose sum is σ = 28366848. Its totient is φ = 4305600.

The previous prime is 13542647. The next prime is 13542673. The reversal of 13542666 is 66624531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11191 + ... + 12341.

It is an arithmetic number, because the mean of its divisors is an integer number (886464).

Almost surely, 2^13542666 is an apocalyptic number.

13542666 is an abundant number, since it is smaller than the sum of its proper divisors (14824182).

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

13542666 is a wasteful number, since it uses less digits than its factorization.

13542666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246.

The product of its digits is 25920, while the sum is 33.

The square root of 13542666 is about 3680.0361411269. The cubic root of 13542666 is about 238.3607386398.

The spelling of 13542666 in words is "thirteen million, five hundred forty-two thousand, six hundred sixty-six".