13609983 has 8 divisors (see below), whose sum is σ = 18285696. Its totient is φ = 9003800.

The previous prime is 13609963. The next prime is 13610021. The reversal of 13609983 is 38990631.

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 13609983 - 2¹² = 13605887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13609963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16923 + ... + 17708.

It is an arithmetic number, because the mean of its divisors is an integer number (2285712).

Almost surely, 2^13609983 is an apocalyptic number.

13609983 is a deficient number, since it is larger than the sum of its proper divisors (4675713).

13609983 is a wasteful number, since it uses less digits than its factorization.

13609983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34765.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 13609983 is about 3689.1710450994. The cubic root of 13609983 is about 238.7550287219.

The spelling of 13609983 in words is "thirteen million, six hundred nine thousand, nine hundred eighty-three".