13312506 has 8 divisors (see below), whose sum is σ = 26625024. Its totient is φ = 4437500.

The previous prime is 13312493. The next prime is 13312517. The reversal of 13312506 is 60521331.

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

13312506 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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, 1109370 + ... + 1109381.

It is an arithmetic number, because the mean of its divisors is an integer number (3328128).

Almost surely, 2^13312506 is an apocalyptic number.

13312506 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.

13312506 is a wasteful number, since it uses less digits than its factorization.

13312506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218756.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13312506 is about 3648.6307020580. The cubic root of 13312506 is about 237.0026882851.

Adding to 13312506 its reverse (60521331), we get a palindrome (73833837).

The spelling of 13312506 in words is "thirteen million, three hundred twelve thousand, five hundred six".