13132515 has 64 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 5846400.

The previous prime is 13132513. The next prime is 13132519. The reversal of 13132515 is 51523131.

13132515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13132515 - 2¹ = 13132513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13132491 and 13132500.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 184930 + ... + 185000.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 2^13132515 is an apocalyptic number.

13132515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13132515 is a deficient number, since it is larger than the sum of its proper divisors (11750685).

13132515 is a wasteful number, since it uses less digits than its factorization.

13132515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168.

The product of its digits is 450, while the sum is 21.

The square root of 13132515 is about 3623.8812066623. The cubic root of 13132515 is about 235.9297107058.

Adding to 13132515 its reverse (51523131), we get a palindrome (64655646).

It can be divided in two parts, 1313 and 2515, that added together give a triangular number (3828 = T₈₇).

The spelling of 13132515 in words is "thirteen million, one hundred thirty-two thousand, five hundred fifteen".