13243125 has 40 divisors (see below), whose sum is σ = 25241920. Its totient is φ = 6048000.

The previous prime is 13243121. The next prime is 13243127. The reversal of 13243125 is 52134231.

13243125 is digitally balanced in base 2, base 3 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 13243125 - 2² = 13243121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12621 + ... + 13629.

It is an arithmetic number, because the mean of its divisors is an integer number (631048).

Almost surely, 2^13243125 is an apocalyptic number.

13243125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13243125 is a deficient number, since it is larger than the sum of its proper divisors (11998795).

13243125 is an equidigital number, since it uses as much as digits as its factorization.

13243125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1024 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 13243125 is about 3639.1104682326. The cubic root of 13243125 is about 236.5902407021.

Adding to 13243125 its reverse (52134231), we get a palindrome (65377356).

The spelling of 13243125 in words is "thirteen million, two hundred forty-three thousand, one hundred twenty-five".