13321125 has 32 divisors (see below), whose sum is σ = 24635520. Its totient is φ = 7102800.

The previous prime is 13321111. The next prime is 13321127. The reversal of 13321125 is 52112331.

13321125 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13321125 - 2⁸ = 13320869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13321098 and 13321107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1402 + ... + 5348.

It is an arithmetic number, because the mean of its divisors is an integer number (769860).

Almost surely, 2^13321125 is an apocalyptic number.

13321125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13321125 is a deficient number, since it is larger than the sum of its proper divisors (11314395).

13321125 is an equidigital number, since it uses as much as digits as its factorization.

13321125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971 (or 3955 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 13321125 is about 3649.8116389754. The cubic root of 13321125 is about 237.0538253008.

Adding to 13321125 its reverse (52112331), we get a palindrome (65433456).

The spelling of 13321125 in words is "thirteen million, three hundred twenty-one thousand, one hundred twenty-five".