13390325 has 12 divisors (see below), whose sum is σ = 17881668. Its totient is φ = 9888000.

The previous prime is 13390303. The next prime is 13390331. The reversal of 13390325 is 52309331.

It can be written as a sum of positive squares in 6 ways, for example, as 271441 + 13118884 = 521^2 + 3622^2 .

It is not a de Polignac number, because 13390325 - 2⁶ = 13390261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13390294 and 13390303.

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 11 ways as a sum of consecutive naturals, for example, 20276 + ... + 20925.

It is an arithmetic number, because the mean of its divisors is an integer number (1490139).

Almost surely, 2^13390325 is an apocalyptic number.

It is an amenable number.

13390325 is a deficient number, since it is larger than the sum of its proper divisors (4491343).

13390325 is a wasteful number, since it uses less digits than its factorization.

13390325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41224 (or 41219 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 13390325 is about 3659.2793006274. The cubic root of 13390325 is about 237.4635955282.

Adding to 13390325 its reverse (52309331), we get a palindrome (65699656).

The spelling of 13390325 in words is "thirteen million, three hundred ninety thousand, three hundred twenty-five".