13486889 has 8 divisors (see below), whose sum is σ = 14654472. Its totient is φ = 12337920.

The previous prime is 13486871. The next prime is 13486927. The reversal of 13486889 is 98868431.

It can be written as a sum of positive squares in 4 ways, for example, as 40000 + 13446889 = 200^2 + 3667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13486889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13486859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122 + ... + 6059.

It is an arithmetic number, because the mean of its divisors is an integer number (1831809).

Almost surely, 2^13486889 is an apocalyptic number.

It is an amenable number.

13486889 is a deficient number, since it is larger than the sum of its proper divisors (1167583).

13486889 is a wasteful number, since it uses less digits than its factorization.

13486889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9307.

The product of its digits is 331776, while the sum is 47.

The square root of 13486889 is about 3672.4499996596. The cubic root of 13486889 is about 238.0330498086.

The spelling of 13486889 in words is "thirteen million, four hundred eighty-six thousand, eight hundred eighty-nine".