13152530 has 8 divisors (see below), whose sum is σ = 23674572. Its totient is φ = 5261008.

The previous prime is 13152511. The next prime is 13152563. The reversal of 13152530 is 3525131.

It can be written as a sum of positive squares in 2 ways, for example, as 12229009 + 923521 = 3497^2 + 961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657617 + ... + 657636.

Almost surely, 2^13152530 is an apocalyptic number.

13152530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13152530 is a deficient number, since it is larger than the sum of its proper divisors (10522042).

13152530 is a wasteful number, since it uses less digits than its factorization.

13152530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315260.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 13152530 is about 3626.6416972180. The cubic root of 13152530 is about 236.0495084298.

Adding to 13152530 its reverse (3525131), we get a palindrome (16677661).

The spelling of 13152530 in words is "thirteen million, one hundred fifty-two thousand, five hundred thirty".