13943573 has 8 divisors (see below), whose sum is σ = 16020480. Its totient is φ = 11887920.

The previous prime is 13943533. The next prime is 13943603. The reversal of 13943573 is 37534931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13943573 - 2¹⁸ = 13681429 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13943533) 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 7 ways as a sum of consecutive naturals, for example, 3878 + ... + 6551.

It is an arithmetic number, because the mean of its divisors is an integer number (2002560).

Almost surely, 2^13943573 is an apocalyptic number.

It is an amenable number.

13943573 is a deficient number, since it is larger than the sum of its proper divisors (2076907).

13943573 is a wasteful number, since it uses less digits than its factorization.

13943573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10627.

The product of its digits is 34020, while the sum is 35.

The square root of 13943573 is about 3734.1093985045. The cubic root of 13943573 is about 240.6899877988.

The spelling of 13943573 in words is "thirteen million, nine hundred forty-three thousand, five hundred seventy-three".