13123232 has 24 divisors (see below), whose sum is σ = 25926516. Its totient is φ = 6538752.

The previous prime is 13123219. The next prime is 13123237. The reversal of 13123232 is 23232131.

It can be written as a sum of positive squares in 2 ways, for example, as 11262736 + 1860496 = 3356^2 + 1364^2 .

13123232 is a modest number, since divided by 3232 gives 1312 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 13123232.

It is not an unprimeable number, because it can be changed into a prime (13123237) 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, 12188 + ... + 13220.

Almost surely, 2^13123232 is an apocalyptic number.

It is an amenable number.

13123232 is a deficient number, since it is larger than the sum of its proper divisors (12803284).

13123232 is a wasteful number, since it uses less digits than its factorization.

13123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1432 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 13123232 is about 3622.6001711478. The cubic root of 13123232 is about 235.8741069428.

Adding to 13123232 its reverse (23232131), we get a palindrome (36355363).

The spelling of 13123232 in words is "thirteen million, one hundred twenty-three thousand, two hundred thirty-two".