13941861 has 4 divisors (see below), whose sum is σ = 18589152. Its totient is φ = 9294572.

The previous prime is 13941857. The next prime is 13941869. The reversal of 13941861 is 16814931.

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.

It is a cyclic number.

It is not a de Polignac number, because 13941861 - 2² = 13941857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13941869) 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, 2323641 + ... + 2323646.

It is an arithmetic number, because the mean of its divisors is an integer number (4647288).

Almost surely, 2^13941861 is an apocalyptic number.

It is an amenable number.

13941861 is a deficient number, since it is larger than the sum of its proper divisors (4647291).

13941861 is an equidigital number, since it uses as much as digits as its factorization.

13941861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647290.

The product of its digits is 5184, while the sum is 33.

The square root of 13941861 is about 3733.8801534061. The cubic root of 13941861 is about 240.6801367101.

The spelling of 13941861 in words is "thirteen million, nine hundred forty-one thousand, eight hundred sixty-one".