13103641 has 4 divisors (see below), whose sum is σ = 13423284. Its totient is φ = 12784000.

The previous prime is 13103627. The next prime is 13103677. The reversal of 13103641 is 14630131.

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 1345600 + 11758041 = 1160^2 + 3429^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103641 - 2¹¹ = 13101593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159760 + ... + 159841.

It is an arithmetic number, because the mean of its divisors is an integer number (3355821).

Almost surely, 2^13103641 is an apocalyptic number.

It is an amenable number.

13103641 is a deficient number, since it is larger than the sum of its proper divisors (319643).

13103641 is an equidigital number, since it uses as much as digits as its factorization.

13103641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319642.

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

The square root of 13103641 is about 3619.8951642278. The cubic root of 13103641 is about 235.7566737011.

Adding to 13103641 its reverse (14630131), we get a palindrome (27733772).

The spelling of 13103641 in words is "thirteen million, one hundred three thousand, six hundred forty-one".