13481586 has 16 divisors (see below), whose sum is σ = 29959200. Its totient is φ = 4493844.

The previous prime is 13481569. The next prime is 13481591. The reversal of 13481586 is 68518431.

It is a super-2 number, since 2×13481586² = 363506322150792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13481586.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124776 + ... + 124883.

It is an arithmetic number, because the mean of its divisors is an integer number (1872450).

Almost surely, 2^13481586 is an apocalyptic number.

13481586 is an abundant number, since it is smaller than the sum of its proper divisors (16477614).

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

13481586 is a wasteful number, since it uses less digits than its factorization.

13481586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249670 (or 249664 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 13481586 is about 3671.7279310973. The cubic root of 13481586 is about 238.0018477836.

The spelling of 13481586 in words is "thirteen million, four hundred eighty-one thousand, five hundred eighty-six".