13563030 has 64 divisors (see below), whose sum is σ = 35562240. Its totient is φ = 3290496.

The previous prime is 13563029. The next prime is 13563041. The reversal of 13563030 is 3036531.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13562988 and 13563006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32161 + ... + 32579.

It is an arithmetic number, because the mean of its divisors is an integer number (555660).

Almost surely, 2^13563030 is an apocalyptic number.

13563030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13563030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17781120).

13563030 is an abundant number, since it is smaller than the sum of its proper divisors (21999210).

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

13563030 is a wasteful number, since it uses less digits than its factorization.

13563030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 13563030 is about 3682.8019224498. The cubic root of 13563030 is about 238.4801525265.

Adding to 13563030 its reverse (3036531), we get a palindrome (16599561).

The spelling of 13563030 in words is "thirteen million, five hundred sixty-three thousand, thirty".