13111825 has 12 divisors (see below), whose sum is σ = 16606080. Its totient is φ = 10265360.

The previous prime is 13111789. The next prime is 13111831. The reversal of 13111825 is 52811131.

It is not a de Polignac number, because 13111825 - 2¹⁷ = 12980753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13111796 and 13111805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4405 + ... + 6754.

It is an arithmetic number, because the mean of its divisors is an integer number (1383840).

Almost surely, 2^13111825 is an apocalyptic number.

It is an amenable number.

13111825 is a deficient number, since it is larger than the sum of its proper divisors (3494255).

13111825 is a wasteful number, since it uses less digits than its factorization.

13111825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216 (or 11211 counting only the distinct ones).

The product of its digits is 240, while the sum is 22.

The square root of 13111825 is about 3621.0254072569. The cubic root of 13111825 is about 235.8057448225.

Adding to 13111825 its reverse (52811131), we get a palindrome (65922956).

It can be divided in two parts, 1311 and 1825, that added together give a square (3136 = 56²).

The spelling of 13111825 in words is "thirteen million, one hundred eleven thousand, eight hundred twenty-five".