13238825 has 12 divisors (see below), whose sum is σ = 16516428. Its totient is φ = 10526400.

The previous prime is 13238809. The next prime is 13238831. The reversal of 13238825 is 52883231.

It can be written as a sum of positive squares in 6 ways, for example, as 1841449 + 11397376 = 1357^2 + 3376^2 .

It is not a de Polignac number, because 13238825 - 2⁴ = 13238809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13238791 and 13238800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2795 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (1376369).

Almost surely, 2^13238825 is an apocalyptic number.

It is an amenable number.

13238825 is a deficient number, since it is larger than the sum of its proper divisors (3277603).

13238825 is a wasteful number, since it uses less digits than its factorization.

13238825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244 (or 3239 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 13238825 is about 3638.5196165474. The cubic root of 13238825 is about 236.5646312340.

The spelling of 13238825 in words is "thirteen million, two hundred thirty-eight thousand, eight hundred twenty-five".