13454887 has 2 divisors, whose sum is σ = 13454888. Its totient is φ = 13454886.

The previous prime is 13454867. The next prime is 13454921. The reversal of 13454887 is 78845431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13454887 - 2⁷ = 13454759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13454867) by changing a digit.

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, 6727443 + 6727444.

It is an arithmetic number, because the mean of its divisors is an integer number (6727444).

Almost surely, 2^13454887 is an apocalyptic number.

13454887 is a deficient number, since it is larger than the sum of its proper divisors (1).

13454887 is an equidigital number, since it uses as much as digits as its factorization.

13454887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 40.

The square root of 13454887 is about 3668.0903751135. The cubic root of 13454887 is about 237.8446306054.

It can be divided in two parts, 13454 and 887, that added together give a palindrome (14341).

The spelling of 13454887 in words is "thirteen million, four hundred fifty-four thousand, eight hundred eighty-seven".