13148825 has 6 divisors (see below), whose sum is σ = 16304574. Its totient is φ = 10519040.

The previous prime is 13148819. The next prime is 13148827. The reversal of 13148825 is 52884131.

It can be written as a sum of positive squares in 3 ways, for example, as 1459264 + 11689561 = 1208^2 + 3419^2 .

It is not a de Polignac number, because 13148825 - 2⁴ = 13148809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13148791 and 13148800.

It is not an unprimeable number, because it can be changed into a prime (13148827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262952 + ... + 263001.

It is an arithmetic number, because the mean of its divisors is an integer number (2717429).

Almost surely, 2^13148825 is an apocalyptic number.

It is an amenable number.

13148825 is a deficient number, since it is larger than the sum of its proper divisors (3155749).

13148825 is an equidigital number, since it uses as much as digits as its factorization.

13148825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525963 (or 525958 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 13148825 is about 3626.1308580910. The cubic root of 13148825 is about 236.0273417044.

The spelling of 13148825 in words is "thirteen million, one hundred forty-eight thousand, eight hundred twenty-five".