13401601 has 4 divisors (see below), whose sum is σ = 13413204. Its totient is φ = 13390000.

The previous prime is 13401587. The next prime is 13401607. The reversal of 13401601 is 10610431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5645376 + 7756225 = 2376^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 13401601 - 2⁷ = 13401473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13401607) 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 3 ways as a sum of consecutive naturals, for example, 3850 + ... + 6451.

It is an arithmetic number, because the mean of its divisors is an integer number (3353301).

Almost surely, 2^13401601 is an apocalyptic number.

It is an amenable number.

13401601 is a deficient number, since it is larger than the sum of its proper divisors (11603).

13401601 is a wasteful number, since it uses less digits than its factorization.

13401601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11602.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13401601 is about 3660.8197169487. The cubic root of 13401601 is about 237.5302329011.

The spelling of 13401601 in words is "thirteen million, four hundred one thousand, six hundred one".