13963636 has 12 divisors (see below), whose sum is σ = 24653412. Its totient is φ = 6919808.

The previous prime is 13963601. The next prime is 13963637. The reversal of 13963636 is 63636931.

It can be written as a sum of positive squares in 2 ways, for example, as 2102500 + 11861136 = 1450^2 + 3444^2 .

13963636 is a modest number, since divided by 3636 gives 1396 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 13963595 and 13963604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13963637) 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 in 3 ways as a sum of consecutive naturals, for example, 14995 + ... + 15898.

It is an arithmetic number, because the mean of its divisors is an integer number (2054451).

Almost surely, 2^13963636 is an apocalyptic number.

It is an amenable number.

13963636 is a deficient number, since it is larger than the sum of its proper divisors (10689776).

13963636 is a wasteful number, since it uses less digits than its factorization.

13963636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31010 (or 31008 counting only the distinct ones).

The product of its digits is 52488, while the sum is 37.

The square root of 13963636 is about 3736.7948833191. The cubic root of 13963636 is about 240.8053730732.

The spelling of 13963636 in words is "thirteen million, nine hundred sixty-three thousand, six hundred thirty-six".