13973628 has 24 divisors (see below), whose sum is σ = 32817232. Its totient is φ = 4627584.

The previous prime is 13973593. The next prime is 13973669. The reversal of 13973628 is 82637931.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1825 + ... + 5592.

Almost surely, 2^13973628 is an apocalyptic number.

It is an amenable number.

13973628 is an abundant number, since it is smaller than the sum of its proper divisors (18843604).

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

13973628 is a wasteful number, since it uses less digits than its factorization.

13973628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7581 (or 7579 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 13973628 is about 3738.1316188706. The cubic root of 13973628 is about 240.8627973142.

The spelling of 13973628 in words is "thirteen million, nine hundred seventy-three thousand, six hundred twenty-eight".