13603001 has 4 divisors (see below), whose sum is σ = 14072100. Its totient is φ = 13133904.

The previous prime is 13602997. The next prime is 13603003. The reversal of 13603001 is 10030631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10030631 = 13 ⋅771587.

It can be written as a sum of positive squares in 2 ways, for example, as 4141225 + 9461776 = 2035^2 + 3076^2 .

It is a cyclic number.

It is not a de Polignac number, because 13603001 - 2² = 13602997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13603003) 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 3 ways as a sum of consecutive naturals, for example, 234506 + ... + 234563.

It is an arithmetic number, because the mean of its divisors is an integer number (3518025).

Almost surely, 2^13603001 is an apocalyptic number.

It is an amenable number.

13603001 is a deficient number, since it is larger than the sum of its proper divisors (469099).

13603001 is an equidigital number, since it uses as much as digits as its factorization.

13603001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469098.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13603001 is about 3688.2246406639. The cubic root of 13603001 is about 238.7141941681.

Adding to 13603001 its reverse (10030631), we get a palindrome (23633632).

The spelling of 13603001 in words is "thirteen million, six hundred three thousand, one".