13632001 has 8 divisors (see below), whose sum is σ = 14161320. Its totient is φ = 13106688.

The previous prime is 13631999. The next prime is 13632013. The reversal of 13632001 is 10023631.

It can be written as a sum of positive squares in 4 ways, for example, as 3385600 + 10246401 = 1840^2 + 3201^2 .

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 13632001 - 2¹ = 13631999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13632301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7185 + ... + 8881.

It is an arithmetic number, because the mean of its divisors is an integer number (1770165).

Almost surely, 2^13632001 is an apocalyptic number.

It is an amenable number.

13632001 is a deficient number, since it is larger than the sum of its proper divisors (529319).

13632001 is a wasteful number, since it uses less digits than its factorization.

13632001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13632001 is about 3692.1539783709. The cubic root of 13632001 is about 238.8837106343.

Adding to 13632001 its reverse (10023631), we get a palindrome (23655632).

It can be divided in two parts, 1363 and 2001, that added together give a square (3364 = 58²).

The spelling of 13632001 in words is "thirteen million, six hundred thirty-two thousand, one".