13021230 has 32 divisors (see below), whose sum is σ = 31398048. Its totient is φ = 3456000.

The previous prime is 13021219. The next prime is 13021247. The reversal of 13021230 is 3212031.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 6330 + ... + 8130.

It is an arithmetic number, because the mean of its divisors is an integer number (981189).

Almost surely, 2^13021230 is an apocalyptic number.

13021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021230 is an abundant number, since it is smaller than the sum of its proper divisors (18376818).

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

13021230 is a wasteful number, since it uses less digits than its factorization.

13021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13021230 is about 3608.4941457622. The cubic root of 13021230 is about 235.2613961728.

Adding to 13021230 its reverse (3212031), we get a palindrome (16233261).

The spelling of 13021230 in words is "thirteen million, twenty-one thousand, two hundred thirty".