13504025 has 12 divisors (see below), whose sum is σ = 16790592. Its totient is φ = 10773840.

The previous prime is 13503991. The next prime is 13504033. The reversal of 13504025 is 52040531.

It is not a de Polignac number, because 13504025 - 2⁸ = 13503769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13503988 and 13504006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17804 + ... + 18546.

It is an arithmetic number, because the mean of its divisors is an integer number (1399216).

Almost surely, 2^13504025 is an apocalyptic number.

It is an amenable number.

13504025 is a deficient number, since it is larger than the sum of its proper divisors (3286567).

13504025 is an equidigital number, since it uses as much as digits as its factorization.

13504025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 13504025 is about 3674.7823064775. The cubic root of 13504025 is about 238.1338194780.

Adding to 13504025 its reverse (52040531), we get a palindrome (65544556).

The spelling of 13504025 in words is "thirteen million, five hundred four thousand, twenty-five".