13486725 has 36 divisors (see below), whose sum is σ = 27610336. Its totient is φ = 6164640.

The previous prime is 13486723. The next prime is 13486741. The reversal of 13486725 is 52768431.

13486725 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13486725 - 2¹ = 13486723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13486725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13486721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2707 + ... + 5856.

Almost surely, 2^13486725 is an apocalyptic number.

13486725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13486725 is an abundant number, since it is smaller than the sum of its proper divisors (14123611).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13486725 is a wasteful number, since it uses less digits than its factorization.

13486725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8586 (or 8578 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 13486725 is about 3672.4276711734. The cubic root of 13486725 is about 238.0320849807.

The spelling of 13486725 in words is "thirteen million, four hundred eighty-six thousand, seven hundred twenty-five".