13996836 has 72 divisors (see below), whose sum is σ = 41088320. Its totient is φ = 3934656.

The previous prime is 13996819. The next prime is 13996837. The reversal of 13996836 is 63869931.

It is a super-2 number, since 2×13996836² = 391822836021792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13996791 and 13996800.

It is not an unprimeable number, because it can be changed into a prime (13996837) 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 23 ways as a sum of consecutive naturals, for example, 16470 + ... + 17298.

Almost surely, 2^13996836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13996836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20544160).

13996836 is an abundant number, since it is smaller than the sum of its proper divisors (27091484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13996836 is a wasteful number, since it uses less digits than its factorization.

13996836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 908 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 13996836 is about 3741.2345555979. The cubic root of 13996836 is about 240.9960686445.

The spelling of 13996836 in words is "thirteen million, nine hundred ninety-six thousand, eight hundred thirty-six".