13603841 has 4 divisors (see below), whose sum is σ = 13935684. Its totient is φ = 13272000.

The previous prime is 13603819. The next prime is 13603847. The reversal of 13603841 is 14830631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14830631 = 577 ⋅25703.

It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 5424241 = 2860^2 + 2329^2 .

It is a cyclic number.

It is not a de Polignac number, because 13603841 - 2²² = 9409537 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 13603841.

It is not an unprimeable number, because it can be changed into a prime (13603847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165860 + ... + 165941.

It is an arithmetic number, because the mean of its divisors is an integer number (3483921).

Almost surely, 2^13603841 is an apocalyptic number.

It is an amenable number.

13603841 is a deficient number, since it is larger than the sum of its proper divisors (331843).

13603841 is an equidigital number, since it uses as much as digits as its factorization.

13603841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331842.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13603841 is about 3688.3385148329. The cubic root of 13603841 is about 238.7191076867.

The spelling of 13603841 in words is "thirteen million, six hundred three thousand, eight hundred forty-one".