13564001 has 8 divisors (see below), whose sum is σ = 14836608. Its totient is φ = 12298000.

The previous prime is 13563973. The next prime is 13564007. The reversal of 13564001 is 10046531.

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

It is not a de Polignac number, because 13564001 - 2⁶ = 13563937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13564007) by changing a digit.

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, 3311 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (1854576).

Almost surely, 2^13564001 is an apocalyptic number.

13564001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13564001 is a deficient number, since it is larger than the sum of its proper divisors (1272607).

13564001 is a wasteful number, since it uses less digits than its factorization.

13564001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13564001 is about 3682.9337490647. The cubic root of 13564001 is about 238.4858434550.

The spelling of 13564001 in words is "thirteen million, five hundred sixty-four thousand, one".