13316725 has 6 divisors (see below), whose sum is σ = 16512770. Its totient is φ = 10653360.

The previous prime is 13316717. The next prime is 13316731. The reversal of 13316725 is 52761331.

It can be written as a sum of positive squares in 3 ways, for example, as 23409 + 13293316 = 153^2 + 3646^2 .

It is not a de Polignac number, because 13316725 - 2³ = 13316717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13316693 and 13316702.

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 5 ways as a sum of consecutive naturals, for example, 266310 + ... + 266359.

Almost surely, 2^13316725 is an apocalyptic number.

It is an amenable number.

13316725 is a deficient number, since it is larger than the sum of its proper divisors (3196045).

13316725 is an equidigital number, since it uses as much as digits as its factorization.

13316725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532679 (or 532674 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The square root of 13316725 is about 3649.2088183605. The cubic root of 13316725 is about 237.0277226082.

It can be divided in two parts, 13316 and 725, that added together give a palindrome (14041).

The spelling of 13316725 in words is "thirteen million, three hundred sixteen thousand, seven hundred twenty-five".