13973556 has 48 divisors (see below), whose sum is σ = 33675264. Its totient is φ = 4507776.

The previous prime is 13973551. The next prime is 13973593. The reversal of 13973556 is 65537931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13973551) 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 15 ways as a sum of consecutive naturals, for example, 80686 + ... + 80858.

It is an arithmetic number, because the mean of its divisors is an integer number (701568).

Almost surely, 2^13973556 is an apocalyptic number.

It is an amenable number.

13973556 is an abundant number, since it is smaller than the sum of its proper divisors (19701708).

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

13973556 is a wasteful number, since it uses less digits than its factorization.

13973556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 358 counting only the distinct ones).

The product of its digits is 85050, while the sum is 39.

The square root of 13973556 is about 3738.1219883787. The cubic root of 13973556 is about 240.8623836265.

The spelling of 13973556 in words is "thirteen million, nine hundred seventy-three thousand, five hundred fifty-six".