13921041 has 8 divisors (see below), whose sum is σ = 18823104. Its totient is φ = 9149840.

The previous prime is 13921031. The next prime is 13921043. The reversal of 13921041 is 14012931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13921041 - 2⁷ = 13920913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13920999 and 13921017.

It is not an unprimeable number, because it can be changed into a prime (13921043) 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 7 ways as a sum of consecutive naturals, for example, 32466 + ... + 32891.

It is an arithmetic number, because the mean of its divisors is an integer number (2352888).

Almost surely, 2^13921041 is an apocalyptic number.

It is an amenable number.

13921041 is a deficient number, since it is larger than the sum of its proper divisors (4902063).

13921041 is an equidigital number, since it uses as much as digits as its factorization.

13921041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65431.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 13921041 is about 3731.0911272709. The cubic root of 13921041 is about 240.5602709121.

Adding to 13921041 its reverse (14012931), we get a palindrome (27933972).

The spelling of 13921041 in words is "thirteen million, nine hundred twenty-one thousand, forty-one".