13266001 has 16 divisors (see below), whose sum is σ = 16450560. Its totient is φ = 10437120.

The previous prime is 13265981. The next prime is 13266007. The reversal of 13266001 is 10066231.

It is a cyclic number.

It is not a de Polignac number, because 13266001 - 2²³ = 4877393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13266001.

It is not an unprimeable number, because it can be changed into a prime (13266007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3520 + ... + 6238.

It is an arithmetic number, because the mean of its divisors is an integer number (1028160).

Almost surely, 2^13266001 is an apocalyptic number.

It is an amenable number.

13266001 is a deficient number, since it is larger than the sum of its proper divisors (3184559).

13266001 is a wasteful number, since it uses less digits than its factorization.

13266001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13266001 is about 3642.2521878640. The cubic root of 13266001 is about 236.7263899617.

The spelling of 13266001 in words is "thirteen million, two hundred sixty-six thousand, one".