13455663 has 8 divisors (see below), whose sum is σ = 19321008. Its totient is φ = 8280384.

The previous prime is 13455661. The next prime is 13455697. The reversal of 13455663 is 36655431.

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

It is not a de Polignac number, because 13455663 - 2¹ = 13455661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455661) 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 in 7 ways as a sum of consecutive naturals, for example, 172470 + ... + 172547.

It is an arithmetic number, because the mean of its divisors is an integer number (2415126).

Almost surely, 2^13455663 is an apocalyptic number.

13455663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13455663 is a deficient number, since it is larger than the sum of its proper divisors (5865345).

13455663 is a wasteful number, since it uses less digits than its factorization.

13455663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345033.

The product of its digits is 32400, while the sum is 33.

The square root of 13455663 is about 3668.1961506986. The cubic root of 13455663 is about 237.8492030180.

The spelling of 13455663 in words is "thirteen million, four hundred fifty-five thousand, six hundred sixty-three".