13985536 has 18 divisors (see below), whose sum is σ = 27916952. Its totient is φ = 6992640.

The previous prime is 13985533. The next prime is 13985561. The reversal of 13985536 is 63558931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13985533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27060 + ... + 27571.

Almost surely, 2^13985536 is an apocalyptic number.

13985536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13985536 is a deficient number, since it is larger than the sum of its proper divisors (13931416).

13985536 is an frugal number, since it uses more digits than its factorization.

13985536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54647 (or 54633 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 13985536 is about 3739.7240539911. The cubic root of 13985536 is about 240.9311971084.

The spelling of 13985536 in words is "thirteen million, nine hundred eighty-five thousand, five hundred thirty-six".