13454866 has 4 divisors (see below), whose sum is σ = 20182302. Its totient is φ = 6727432.

The previous prime is 13454863. The next prime is 13454867. The reversal of 13454866 is 66845431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66845431 = 67 ⋅997693.

It can be written as a sum of positive squares in only one way, i.e., 10374841 + 3080025 = 3221^2 + 1755^2 .

It is not an unprimeable number, because it can be changed into a prime (13454863) by changing a digit.

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 as a sum of consecutive naturals, namely, 3363715 + ... + 3363718.

Almost surely, 2^13454866 is an apocalyptic number.

13454866 is a deficient number, since it is larger than the sum of its proper divisors (6727436).

13454866 is an equidigital number, since it uses as much as digits as its factorization.

13454866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727435.

The product of its digits is 69120, while the sum is 37.

The square root of 13454866 is about 3668.0875125875. The cubic root of 13454866 is about 237.8445068650.

The spelling of 13454866 in words is "thirteen million, four hundred fifty-four thousand, eight hundred sixty-six".