13813486 has 16 divisors (see below), whose sum is σ = 22149936. Its totient is φ = 6438016.

The previous prime is 13813477. The next prime is 13813487. The reversal of 13813486 is 68431831.

13813486 = T₈ + T₉ + ... + T₄₃₅.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813487) 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, 1740 + ... + 5536.

It is an arithmetic number, because the mean of its divisors is an integer number (1384371).

Almost surely, 2^13813486 is an apocalyptic number.

13813486 is a deficient number, since it is larger than the sum of its proper divisors (8336450).

13813486 is a wasteful number, since it uses less digits than its factorization.

13813486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923.

The product of its digits is 13824, while the sum is 34.

The square root of 13813486 is about 3716.6498355374. The cubic root of 13813486 is about 239.9391396606.

The spelling of 13813486 in words is "thirteen million, eight hundred thirteen thousand, four hundred eighty-six".