13020232 has 16 divisors (see below), whose sum is σ = 25849260. Its totient is φ = 6127104.

The previous prime is 13020229. The next prime is 13020233. The reversal of 13020232 is 23202031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10150596 + 2869636 = 3186^2 + 1694^2 .

It is a super-3 number, since 3×13020232³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13020233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47733 + ... + 48004.

Almost surely, 2^13020232 is an apocalyptic number.

It is an amenable number.

13020232 is a deficient number, since it is larger than the sum of its proper divisors (12829028).

13020232 is a wasteful number, since it uses less digits than its factorization.

13020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95760 (or 95756 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 13020232 is about 3608.3558582823. The cubic root of 13020232 is about 235.2553855560.

Adding to 13020232 its reverse (23202031), we get a palindrome (36222263).

The spelling of 13020232 in words is "thirteen million, twenty thousand, two hundred thirty-two".