13132516 has 6 divisors (see below), whose sum is σ = 22981910. Its totient is φ = 6566256.

The previous prime is 13132513. The next prime is 13132519. The reversal of 13132516 is 61523131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13132513) and next prime (13132519).

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 1572516 = 3400^2 + 1254^2 .

It is not an unprimeable number, because it can be changed into a prime (13132513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1641561 + ... + 1641568.

Almost surely, 2^13132516 is an apocalyptic number.

It is an amenable number.

13132516 is a deficient number, since it is larger than the sum of its proper divisors (9849394).

13132516 is a wasteful number, since it uses less digits than its factorization.

13132516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283133 (or 3283131 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 13132516 is about 3623.8813446359. The cubic root of 13132516 is about 235.9297166943.

Adding to 13132516 its reverse (61523131), we get a palindrome (74655647).

The spelling of 13132516 in words is "thirteen million, one hundred thirty-two thousand, five hundred sixteen".