13806736 has 10 divisors (see below), whose sum is σ = 26750582. Its totient is φ = 6903360.

The previous prime is 13806733. The next prime is 13806761. The reversal of 13806736 is 63760831.

It can be written as a sum of positive squares in only one way, i.e., 11182336 + 2624400 = 3344^2 + 1620^2 .

It is not an unprimeable number, because it can be changed into a prime (13806733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431445 + ... + 431476.

Almost surely, 2^13806736 is an apocalyptic number.

13806736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13806736 is a deficient number, since it is larger than the sum of its proper divisors (12943846).

13806736 is an equidigital number, since it uses as much as digits as its factorization.

13806736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862929 (or 862923 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13806736 is about 3715.7416487156. The cubic root of 13806736 is about 239.9000509742.

The spelling of 13806736 in words is "thirteen million, eight hundred six thousand, seven hundred thirty-six".