12816001 has 8 divisors (see below), whose sum is σ = 14008608. Its totient is φ = 11628000.

The previous prime is 12815969. The next prime is 12816017. The reversal of 12816001 is 10061821.

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 12816001 - 2⁵ = 12815969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12816001.

It is not an unprimeable number, because it can be changed into a prime (12816061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7606 + ... + 9136.

It is an arithmetic number, because the mean of its divisors is an integer number (1751076).

Almost surely, 2^12816001 is an apocalyptic number.

12816001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12816001 is a deficient number, since it is larger than the sum of its proper divisors (1192607).

12816001 is a wasteful number, since it uses less digits than its factorization.

12816001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 12816001 is about 3579.9442733093. The cubic root of 12816001 is about 234.0188518184.

Adding to 12816001 its reverse (10061821), we get a palindrome (22877822).

It can be divided in two parts, 128 and 16001, that added together give a square (16129 = 127²).

The spelling of 12816001 in words is "twelve million, eight hundred sixteen thousand, one".