13151332 has 6 divisors (see below), whose sum is σ = 23014838. Its totient is φ = 6575664.

The previous prime is 13151291. The next prime is 13151339. The reversal of 13151332 is 23315131.

It can be written as a sum of positive squares in only one way, i.e., 13133376 + 17956 = 3624^2 + 134^2 .

It is not an unprimeable number, because it can be changed into a prime (13151339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643913 + ... + 1643920.

Almost surely, 2^13151332 is an apocalyptic number.

It is an amenable number.

13151332 is a deficient number, since it is larger than the sum of its proper divisors (9863506).

13151332 is a wasteful number, since it uses less digits than its factorization.

13151332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287837 (or 3287835 counting only the distinct ones).

The product of its digits is 270, while the sum is 19.

The square root of 13151332 is about 3626.4765268784. The cubic root of 13151332 is about 236.0423413449.

Adding to 13151332 its reverse (23315131), we get a palindrome (36466463).

The spelling of 13151332 in words is "thirteen million, one hundred fifty-one thousand, three hundred thirty-two".