13563468 has 36 divisors (see below), whose sum is σ = 35778288. Its totient is φ = 4324320.

The previous prime is 13563457. The next prime is 13563469. The reversal of 13563468 is 86436531.

13563468 is a `hidden beast` number, since 13 + 5 + 634 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13563469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7363 + ... + 9018.

Almost surely, 2^13563468 is an apocalyptic number.

13563468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13563468 is an abundant number, since it is smaller than the sum of its proper divisors (22214820).

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

13563468 is a wasteful number, since it uses less digits than its factorization.

13563468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16414 (or 16409 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 13563468 is about 3682.8613875627. The cubic root of 13563468 is about 238.4827196319.

Adding to 13563468 its reverse (86436531), we get a palindrome (99999999).

The spelling of 13563468 in words is "thirteen million, five hundred sixty-three thousand, four hundred sixty-eight".