13670325 has 18 divisors (see below), whose sum is σ = 24485474. Its totient is φ = 7290720.

The previous prime is 13670317. The next prime is 13670333. The reversal of 13670325 is 52307631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13670317) and next prime (13670333).

It can be written as a sum of positive squares in 3 ways, for example, as 1096209 + 12574116 = 1047^2 + 3546^2 .

It is not a de Polignac number, because 13670325 - 2³ = 13670317 is a prime.

It is a Duffinian 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 17 ways as a sum of consecutive naturals, for example, 30154 + ... + 30603.

Almost surely, 2^13670325 is an apocalyptic number.

13670325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13670325 is a deficient number, since it is larger than the sum of its proper divisors (10815149).

13670325 is a wasteful number, since it uses less digits than its factorization.

13670325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60773 (or 60765 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 13670325 is about 3697.3402602411. The cubic root of 13670325 is about 239.1073611825.

Adding to 13670325 its reverse (52307631), we get a palindrome (65977956).

The spelling of 13670325 in words is "thirteen million, six hundred seventy thousand, three hundred twenty-five".