13315506 has 8 divisors (see below), whose sum is σ = 26631024. Its totient is φ = 4438500.

The previous prime is 13315501. The next prime is 13315541. The reversal of 13315506 is 60551331.

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

13315506 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13315501) 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, 1109620 + ... + 1109631.

It is an arithmetic number, because the mean of its divisors is an integer number (3328878).

Almost surely, 2^13315506 is an apocalyptic number.

13315506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13315506 is a wasteful number, since it uses less digits than its factorization.

13315506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219256.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 13315506 is about 3649.0417920325. The cubic root of 13315506 is about 237.0204899588.

Adding to 13315506 its reverse (60551331), we get a palindrome (73866837).

The spelling of 13315506 in words is "thirteen million, three hundred fifteen thousand, five hundred six".