13020425 has 24 divisors (see below), whose sum is σ = 17811360. Its totient is φ = 9363200.

The previous prime is 13020383. The next prime is 13020431. The reversal of 13020425 is 52402031.

It is not a de Polignac number, because 13020425 - 2⁶ = 13020361 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30866 + ... + 31284.

It is an arithmetic number, because the mean of its divisors is an integer number (742140).

Almost surely, 2^13020425 is an apocalyptic number.

It is an amenable number.

13020425 is a deficient number, since it is larger than the sum of its proper divisors (4790935).

13020425 is a wasteful number, since it uses less digits than its factorization.

13020425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 13020425 is about 3608.3826016652. The cubic root of 13020425 is about 235.2565479537.

Adding to 13020425 its reverse (52402031), we get a palindrome (65422456).

The spelling of 13020425 in words is "thirteen million, twenty thousand, four hundred twenty-five".