13554986 has 4 divisors (see below), whose sum is σ = 20332482. Its totient is φ = 6777492.

The previous prime is 13554949. The next prime is 13554997. The reversal of 13554986 is 68945531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7645225 + 5909761 = 2765^2 + 2431^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388745 + ... + 3388748.

Almost surely, 2^13554986 is an apocalyptic number.

13554986 is a deficient number, since it is larger than the sum of its proper divisors (6777496).

13554986 is an equidigital number, since it uses as much as digits as its factorization.

13554986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777495.

The product of its digits is 129600, while the sum is 41.

The square root of 13554986 is about 3681.7096572109. The cubic root of 13554986 is about 238.4329970429.

The spelling of 13554986 in words is "thirteen million, five hundred fifty-four thousand, nine hundred eighty-six".