13231230 has 16 divisors (see below), whose sum is σ = 31755024. Its totient is φ = 3528320.

The previous prime is 13231189. The next prime is 13231247. The reversal of 13231230 is 3213231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220491 + ... + 220550.

It is an arithmetic number, because the mean of its divisors is an integer number (1984689).

Almost surely, 2^13231230 is an apocalyptic number.

13231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13231230 is an abundant number, since it is smaller than the sum of its proper divisors (18523794).

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

13231230 is a wasteful number, since it uses less digits than its factorization.

13231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441051.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13231230 is about 3637.4757731152. The cubic root of 13231230 is about 236.5193842157.

Adding to 13231230 its reverse (3213231), we get a palindrome (16444461).

The spelling of 13231230 in words is "thirteen million, two hundred thirty-one thousand, two hundred thirty".