13152232 has 16 divisors (see below), whose sum is σ = 24760260. Its totient is φ = 6549504.

The previous prime is 13152229. The next prime is 13152239. The reversal of 13152232 is 23225131.

It can be written as a sum of positive squares in 2 ways, for example, as 13147876 + 4356 = 3626^2 + 66^2 .

It is not an unprimeable number, because it can be changed into a prime (13152239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1143 + ... + 5254.

Almost surely, 2^13152232 is an apocalyptic number.

It is an amenable number.

13152232 is a deficient number, since it is larger than the sum of its proper divisors (11608028).

13152232 is a wasteful number, since it uses less digits than its factorization.

13152232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6660 (or 6656 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 13152232 is about 3626.6006121436. The cubic root of 13152232 is about 236.0477256730.

Adding to 13152232 its reverse (23225131), we get a palindrome (36377363).

The spelling of 13152232 in words is "thirteen million, one hundred fifty-two thousand, two hundred thirty-two".