13207230 has 48 divisors (see below), whose sum is σ = 34532784. Its totient is φ = 3502080.

The previous prime is 13207217. The next prime is 13207247. The reversal of 13207230 is 3270231.

13207230 is a nontrivial binomial coefficient, being equal to C(5140, 2).

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22845 + ... + 23415.

It is an arithmetic number, because the mean of its divisors is an integer number (719433).

Almost surely, 2^13207230 is an apocalyptic number.

13207230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13207230 is the 5139-th triangular number and also the 2570-th hexagonal number.

13207230 is an abundant number, since it is smaller than the sum of its proper divisors (21325554).

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

13207230 is a wasteful number, since it uses less digits than its factorization.

13207230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 13207230 is about 3634.1752847104. The cubic root of 13207230 is about 236.3762909219.

Adding to 13207230 its reverse (3270231), we get a palindrome (16477461).

The spelling of 13207230 in words is "thirteen million, two hundred seven thousand, two hundred thirty".