13961789 has 8 divisors (see below), whose sum is σ = 15204000. Its totient is φ = 12770352.

The previous prime is 13961767. The next prime is 13961791. The reversal of 13961789 is 98716931.

13961789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13961789 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 (13961729) 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, 12119 + ... + 13220.

It is an arithmetic number, because the mean of its divisors is an integer number (1900500).

Almost surely, 2^13961789 is an apocalyptic number.

13961789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13961789 is a deficient number, since it is larger than the sum of its proper divisors (1242211).

13961789 is a wasteful number, since it uses less digits than its factorization.

13961789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25387.

The product of its digits is 81648, while the sum is 44.

The square root of 13961789 is about 3736.5477382204. The cubic root of 13961789 is about 240.7947553245.

The spelling of 13961789 in words is "thirteen million, nine hundred sixty-one thousand, seven hundred eighty-nine".