13986574 has 16 divisors (see below), whose sum is σ = 24316416. Its totient is φ = 5909400.

The previous prime is 13986571. The next prime is 13986587. The reversal of 13986574 is 47568931.

It is a self number, because there is not a number n which added to its sum of digits gives 13986574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13986571) 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, 6042 + ... + 8029.

It is an arithmetic number, because the mean of its divisors is an integer number (1519776).

Almost surely, 2^13986574 is an apocalyptic number.

13986574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13986574 is a deficient number, since it is larger than the sum of its proper divisors (10329842).

13986574 is a wasteful number, since it uses less digits than its factorization.

13986574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14151.

The product of its digits is 181440, while the sum is 43.

The square root of 13986574 is about 3739.8628317092. The cubic root of 13986574 is about 240.9371575615.

The spelling of 13986574 in words is "thirteen million, nine hundred eighty-six thousand, five hundred seventy-four".