13681801 has 4 divisors (see below), whose sum is σ = 15636352. Its totient is φ = 11727252.

The previous prime is 13681793. The next prime is 13681807. The reversal of 13681801 is 10818631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10818631 = 709 ⋅15259.

It is a cyclic number.

It is not a de Polignac number, because 13681801 - 2³ = 13681793 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 13681801.

It is not an unprimeable number, because it can be changed into a prime (13681807) 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, 977265 + ... + 977278.

It is an arithmetic number, because the mean of its divisors is an integer number (3909088).

Almost surely, 2^13681801 is an apocalyptic number.

It is an amenable number.

13681801 is a deficient number, since it is larger than the sum of its proper divisors (1954551).

13681801 is an equidigital number, since it uses as much as digits as its factorization.

13681801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954550.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 13681801 is about 3698.8918610849. The cubic root of 13681801 is about 239.1742512915.

The spelling of 13681801 in words is "thirteen million, six hundred eighty-one thousand, eight hundred one".