13783956 has 12 divisors (see below), whose sum is σ = 32162592. Its totient is φ = 4594648.

The previous prime is 13783937. The next prime is 13783963. The reversal of 13783956 is 65938731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 574320 + ... + 574343.

It is an arithmetic number, because the mean of its divisors is an integer number (2680216).

Almost surely, 2^13783956 is an apocalyptic number.

It is an amenable number.

13783956 is an abundant number, since it is smaller than the sum of its proper divisors (18378636).

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

13783956 is a wasteful number, since it uses less digits than its factorization.

13783956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148670 (or 1148668 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 13783956 is about 3712.6750463783. The cubic root of 13783956 is about 239.7680397713.

The spelling of 13783956 in words is "thirteen million, seven hundred eighty-three thousand, nine hundred fifty-six".