13252985 has 4 divisors (see below), whose sum is σ = 15903588. Its totient is φ = 10602384.

The previous prime is 13252973. The next prime is 13252997. The reversal of 13252985 is 58925231.

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

It is an interprime number because it is at equal distance from previous prime (13252973) and next prime (13252997).

It can be written as a sum of positive squares in 2 ways, for example, as 3748096 + 9504889 = 1936^2 + 3083^2 .

It is a cyclic number.

It is not a de Polignac number, because 13252985 - 2¹² = 13248889 is a prime.

It is a super-2 number, since 2×13252985² = 351283222820450, which contains 22 as substring.

It is a Duffinian 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, 1325294 + ... + 1325303.

It is an arithmetic number, because the mean of its divisors is an integer number (3975897).

Almost surely, 2^13252985 is an apocalyptic number.

It is an amenable number.

13252985 is a deficient number, since it is larger than the sum of its proper divisors (2650603).

13252985 is an equidigital number, since it uses as much as digits as its factorization.

13252985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650602.

The product of its digits is 21600, while the sum is 35.

The square root of 13252985 is about 3640.4649428335. The cubic root of 13252985 is about 236.6489428857.

The spelling of 13252985 in words is "thirteen million, two hundred fifty-two thousand, nine hundred eighty-five".