13840336 has 20 divisors (see below), whose sum is σ = 26881092. Its totient is φ = 6903296.

The previous prime is 13840327. The next prime is 13840339. The reversal of 13840336 is 63304831.

It can be written as a sum of positive squares in 2 ways, for example, as 1308736 + 12531600 = 1144^2 + 3540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13840339) 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 3 ways as a sum of consecutive naturals, for example, 8136 + ... + 9688.

Almost surely, 2^13840336 is an apocalyptic number.

13840336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13840336 is a deficient number, since it is larger than the sum of its proper divisors (13040756).

13840336 is a wasteful number, since it uses less digits than its factorization.

13840336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 13840336 is about 3720.2602059533. The cubic root of 13840336 is about 240.0944998229.

The spelling of 13840336 in words is "thirteen million, eight hundred forty thousand, three hundred thirty-six".