13447125 has 24 divisors (see below), whose sum is σ = 24242712. Its totient is φ = 7171200.

The previous prime is 13447121. The next prime is 13447127. The reversal of 13447125 is 52174431.

It can be written as a sum of positive squares in 4 ways, for example, as 7569 + 13439556 = 87^2 + 3666^2 .

It is not a de Polignac number, because 13447125 - 2² = 13447121 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13447121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4852 + ... + 7101.

It is an arithmetic number, because the mean of its divisors is an integer number (1010113).

Almost surely, 2^13447125 is an apocalyptic number.

13447125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13447125 is a deficient number, since it is larger than the sum of its proper divisors (10795587).

13447125 is a wasteful number, since it uses less digits than its factorization.

13447125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11974 (or 11961 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 13447125 is about 3667.0321787516. The cubic root of 13447125 is about 237.7988850176.

The spelling of 13447125 in words is "thirteen million, four hundred forty-seven thousand, one hundred twenty-five".