13325506 has 4 divisors (see below), whose sum is σ = 19988262. Its totient is φ = 6662752.

The previous prime is 13325491. The next prime is 13325519. The reversal of 13325506 is 60552331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11390625 + 1934881 = 3375^2 + 1391^2 .

It is a super-2 number, since 2×13325506² = 355138220312072, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3331375 + ... + 3331378.

Almost surely, 2^13325506 is an apocalyptic number.

13325506 is a deficient number, since it is larger than the sum of its proper divisors (6662756).

13325506 is an equidigital number, since it uses as much as digits as its factorization.

13325506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662755.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 13325506 is about 3650.4117575967. The cubic root of 13325506 is about 237.0798095671.

Adding to 13325506 its reverse (60552331), we get a palindrome (73877837).

It can be divided in two parts, 13325 and 506, that added together give a palindrome (13831).

The spelling of 13325506 in words is "thirteen million, three hundred twenty-five thousand, five hundred six".