13909036 has 6 divisors (see below), whose sum is σ = 24340820. Its totient is φ = 6954516.

The previous prime is 13909033. The next prime is 13909061. The reversal of 13909036 is 63090931.

It is a super-2 number, since 2×13909036² = 386922564898592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13908989 and 13909007.

It is not an unprimeable number, because it can be changed into a prime (13909033) 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 as a sum of consecutive naturals, namely, 1738626 + ... + 1738633.

Almost surely, 2^13909036 is an apocalyptic number.

It is an amenable number.

13909036 is a deficient number, since it is larger than the sum of its proper divisors (10431784).

13909036 is a wasteful number, since it uses less digits than its factorization.

13909036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477263 (or 3477261 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 13909036 is about 3729.4820015654. The cubic root of 13909036 is about 240.4911008791.

Adding to 13909036 its reverse (63090931), we get a palindrome (76999967).

The spelling of 13909036 in words is "thirteen million, nine hundred nine thousand, thirty-six".