13513230 has 96 divisors (see below), whose sum is σ = 37425024. Its totient is φ = 3506976.

The previous prime is 13513153. The next prime is 13513243. The reversal of 13513230 is 3231531.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162769 + ... + 162851.

It is an arithmetic number, because the mean of its divisors is an integer number (389844).

Almost surely, 2^13513230 is an apocalyptic number.

13513230 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 13513230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18712512).

13513230 is an abundant number, since it is smaller than the sum of its proper divisors (23911794).

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

13513230 is an equidigital number, since it uses as much as digits as its factorization.

13513230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 160 counting only the distinct ones).

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

The square root of 13513230 is about 3676.0345482599. The cubic root of 13513230 is about 238.1879150516.

Adding to 13513230 its reverse (3231531), we get a palindrome (16744761).

The spelling of 13513230 in words is "thirteen million, five hundred thirteen thousand, two hundred thirty".