13569201 has 10 divisors (see below), whose sum is σ = 20270162. Its totient is φ = 9046080.

The previous prime is 13569197. The next prime is 13569203. The reversal of 13569201 is 10296531.

13569201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11390625 + 2178576 = 3375^2 + 1476^2 .

It is not a de Polignac number, because 13569201 - 2² = 13569197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13569203) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 83680 + ... + 83841.

Almost surely, 2^13569201 is an apocalyptic number.

It is an amenable number.

13569201 is a deficient number, since it is larger than the sum of its proper divisors (6700961).

13569201 is an equidigital number, since it uses as much as digits as its factorization.

13569201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167533 (or 167524 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 13569201 is about 3683.6396403557. The cubic root of 13569201 is about 238.5163154853.

The spelling of 13569201 in words is "thirteen million, five hundred sixty-nine thousand, two hundred one".