13023425 has 12 divisors (see below), whose sum is σ = 16455420. Its totient is φ = 10221120.

The previous prime is 13023421. The next prime is 13023427. The reversal of 13023425 is 52432031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 583696 + 12439729 = 764^2 + 3527^2 .

It is not a de Polignac number, because 13023425 - 2² = 13023421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13023397 and 13023406.

It is not an unprimeable number, because it can be changed into a prime (13023421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3590 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (1371285).

Almost surely, 2^13023425 is an apocalyptic number.

It is an amenable number.

13023425 is a deficient number, since it is larger than the sum of its proper divisors (3431995).

13023425 is an equidigital number, since it uses as much as digits as its factorization.

13023425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9892 (or 9887 counting only the distinct ones).

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

The square root of 13023425 is about 3608.7982764350. The cubic root of 13023425 is about 235.2746148357.

Adding to 13023425 its reverse (52432031), we get a palindrome (65455456).

The spelling of 13023425 in words is "thirteen million, twenty-three thousand, four hundred twenty-five".