13087425 has 48 divisors (see below), whose sum is σ = 24109568. Its totient is φ = 6220800.

The previous prime is 13087421. The next prime is 13087427. The reversal of 13087425 is 52478031.

13087425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13087425 - 2² = 13087421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13087392 and 13087401.

It is not an unprimeable number, because it can be changed into a prime (13087421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30009 + ... + 30441.

Almost surely, 2^13087425 is an apocalyptic number.

13087425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13087425 is a deficient number, since it is larger than the sum of its proper divisors (11022143).

13087425 is a wasteful number, since it uses less digits than its factorization.

13087425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13087425 is about 3617.6546269648. The cubic root of 13087425 is about 235.6593824640.

The spelling of 13087425 in words is "thirteen million, eighty-seven thousand, four hundred twenty-five".