13901893 has 4 divisors (see below), whose sum is σ = 13910400. Its totient is φ = 13893388.

The previous prime is 13901891. The next prime is 13901929. The reversal of 13901893 is 39810931.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39810931 = 67 ⋅594193.

It is a cyclic number.

It is not a de Polignac number, because 13901893 - 2¹ = 13901891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13901891) 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, 943 + ... + 5356.

It is an arithmetic number, because the mean of its divisors is an integer number (3477600).

Almost surely, 2^13901893 is an apocalyptic number.

It is an amenable number.

13901893 is a deficient number, since it is larger than the sum of its proper divisors (8507).

13901893 is an equidigital number, since it uses as much as digits as its factorization.

13901893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8506.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 13901893 is about 3728.5242388913. The cubic root of 13901893 is about 240.4499256775.

The spelling of 13901893 in words is "thirteen million, nine hundred one thousand, eight hundred ninety-three".