13665486 has 16 divisors (see below), whose sum is σ = 27967104. Its totient is φ = 4449144.

The previous prime is 13665481. The next prime is 13665493. The reversal of 13665486 is 68456631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13665481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26226 + ... + 26741.

It is an arithmetic number, because the mean of its divisors is an integer number (1747944).

Almost surely, 2^13665486 is an apocalyptic number.

13665486 is an abundant number, since it is smaller than the sum of its proper divisors (14301618).

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

13665486 is a wasteful number, since it uses less digits than its factorization.

13665486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53015.

The product of its digits is 103680, while the sum is 39.

The square root of 13665486 is about 3696.6858129952. The cubic root of 13665486 is about 239.0791449045.

It can be divided in two parts, 13665 and 486, that multiplied together give a triangular number (6641190 = T₃₆₄₄).

The spelling of 13665486 in words is "thirteen million, six hundred sixty-five thousand, four hundred eighty-six".