13898893 has 4 divisors (see below), whose sum is σ = 13911040. Its totient is φ = 13886748.

The previous prime is 13898851. The next prime is 13898897. The reversal of 13898893 is 39889831.

13898893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 39889831 = 6271 ⋅6361.

It is a cyclic number.

It is not a de Polignac number, because 13898893 - 2¹⁷ = 13767821 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 (13898897) 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, 4155 + ... + 6712.

It is an arithmetic number, because the mean of its divisors is an integer number (3477760).

Almost surely, 2^13898893 is an apocalyptic number.

It is an amenable number.

13898893 is a deficient number, since it is larger than the sum of its proper divisors (12147).

13898893 is a wasteful number, since it uses less digits than its factorization.

13898893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146.

The product of its digits is 373248, while the sum is 49.

The square root of 13898893 is about 3728.1219132426. The cubic root of 13898893 is about 240.4326282329.

The spelling of 13898893 in words is "thirteen million, eight hundred ninety-eight thousand, eight hundred ninety-three".