30013560 has 96 divisors (see below), whose sum is σ = 98223840. Its totient is φ = 7948032.

The previous prime is 30013553. The next prime is 30013561. The reversal of 30013560 is 6531003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94522 + ... + 94838.

It is an arithmetic number, because the mean of its divisors is an integer number (1023165).

Almost surely, 2^30013560 is an apocalyptic number.

30013560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30013560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49111920).

30013560 is an abundant number, since it is smaller than the sum of its proper divisors (68210280).

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

30013560 is a wasteful number, since it uses less digits than its factorization.

30013560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 30013560 is about 5478.4632881858. The cubic root of 30013560 is about 310.7700591800.

Adding to 30013560 its reverse (6531003), we get a palindrome (36544563).

It can be divided in two parts, 3001 and 3560, that added together give a 8-th power (6561 = 3⁸).

The spelling of 30013560 in words is "thirty million, thirteen thousand, five hundred sixty".