13100389 has 4 divisors (see below), whose sum is σ = 13108480. Its totient is φ = 13092300.

The previous prime is 13100377. The next prime is 13100401. The reversal of 13100389 is 98300131.

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.

It is an interprime number because it is at equal distance from previous prime (13100377) and next prime (13100401).

It is a cyclic number.

It is not a de Polignac number, because 13100389 - 2¹¹ = 13098341 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 (13100089) 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, 687 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (3277120).

Almost surely, 2^13100389 is an apocalyptic number.

It is an amenable number.

13100389 is a deficient number, since it is larger than the sum of its proper divisors (8091).

13100389 is an equidigital number, since it uses as much as digits as its factorization.

13100389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 13100389 is about 3619.4459520761. The cubic root of 13100389 is about 235.7371690933.

The spelling of 13100389 in words is "thirteen million, one hundred thousand, three hundred eighty-nine".