13325646 has 8 divisors (see below), whose sum is σ = 26651304. Its totient is φ = 4441880.

The previous prime is 13325623. The next prime is 13325677. The reversal of 13325646 is 64652331.

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

13325646 is an admirable number.

It is a congruent 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, 1110465 + ... + 1110476.

It is an arithmetic number, because the mean of its divisors is an integer number (3331413).

Almost surely, 2^13325646 is an apocalyptic number.

13325646 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.

13325646 is a wasteful number, since it uses less digits than its factorization.

13325646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220946.

The product of its digits is 12960, while the sum is 30.

The square root of 13325646 is about 3650.4309334653. The cubic root of 13325646 is about 237.0806398310.

Adding to 13325646 its reverse (64652331), we get a palindrome (77977977).

The spelling of 13325646 in words is "thirteen million, three hundred twenty-five thousand, six hundred forty-six".