12520338 has 8 divisors (see below), whose sum is σ = 25040688. Its totient is φ = 4173444.

The previous prime is 12520337. The next prime is 12520351. The reversal of 12520338 is 83302521.

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

12520338 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12520337) 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, 1043356 + ... + 1043367.

It is an arithmetic number, because the mean of its divisors is an integer number (3130086).

Almost surely, 2^12520338 is an apocalyptic number.

12520338 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.

12520338 is a wasteful number, since it uses less digits than its factorization.

12520338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086728.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12520338 is about 3538.4089644924. The cubic root of 12520338 is about 232.2052409900.

Adding to 12520338 its reverse (83302521), we get a palindrome (95822859).

The spelling of 12520338 in words is "twelve million, five hundred twenty thousand, three hundred thirty-eight".