13402325 has 12 divisors (see below), whose sum is σ = 17069220. Its totient is φ = 10431360.

The previous prime is 13402309. The next prime is 13402327. The reversal of 13402325 is 52320431.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 167281 + 13235044 = 409^2 + 3638^2 .

It is not a de Polignac number, because 13402325 - 2⁴ = 13402309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13402297 and 13402306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6320 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (1422435).

Almost surely, 2^13402325 is an apocalyptic number.

It is an amenable number.

13402325 is a deficient number, since it is larger than the sum of its proper divisors (3666895).

13402325 is a wasteful number, since it uses less digits than its factorization.

13402325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14536 (or 14531 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13402325 is about 3660.9186005701. The cubic root of 13402325 is about 237.5345102207.

Adding to 13402325 its reverse (52320431), we get a palindrome (65722756).

The spelling of 13402325 in words is "thirteen million, four hundred two thousand, three hundred twenty-five".