13986464 has 12 divisors (see below), whose sum is σ = 27535914. Its totient is φ = 6993216.

The previous prime is 13986463. The next prime is 13986499. The reversal of 13986464 is 46468931.

It can be written as a sum of positive squares in only one way, i.e., 9610000 + 4376464 = 3100^2 + 2092^2 .

It is not an unprimeable number, because it can be changed into a prime (13986463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218507 + ... + 218570.

Almost surely, 2^13986464 is an apocalyptic number.

It is an amenable number.

13986464 is a deficient number, since it is larger than the sum of its proper divisors (13549450).

13986464 is an equidigital number, since it uses as much as digits as its factorization.

13986464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437087 (or 437079 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 13986464 is about 3739.8481252586. The cubic root of 13986464 is about 240.9365259283.

The spelling of 13986464 in words is "thirteen million, nine hundred eighty-six thousand, four hundred sixty-four".