13493789 has 8 divisors (see below), whose sum is σ = 13911648. Its totient is φ = 13078800.

The previous prime is 13493771. The next prime is 13493807. The reversal of 13493789 is 98739431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13493771) and next prime (13493807).

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 13493789 - 2⁸ = 13493533 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 (13493719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12314 + ... + 13364.

It is an arithmetic number, because the mean of its divisors is an integer number (1738956).

Almost surely, 2^13493789 is an apocalyptic number.

It is an amenable number.

13493789 is a deficient number, since it is larger than the sum of its proper divisors (417859).

13493789 is a wasteful number, since it uses less digits than its factorization.

13493789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435.

The product of its digits is 163296, while the sum is 44.

The square root of 13493789 is about 3673.3893068936. The cubic root of 13493789 is about 238.0736360903.

The spelling of 13493789 in words is "thirteen million, four hundred ninety-three thousand, seven hundred eighty-nine".