13814789 has 8 divisors (see below), whose sum is σ = 14478912. Its totient is φ = 13156000.

The previous prime is 13814783. The next prime is 13814807. The reversal of 13814789 is 98741831.

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

It is not a de Polignac number, because 13814789 - 2⁸ = 13814533 is a prime.

It is a super-2 number, since 2×13814789² = 381696790229042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13814783) 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, 4577 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (1809864).

Almost surely, 2^13814789 is an apocalyptic number.

It is an amenable number.

13814789 is a deficient number, since it is larger than the sum of its proper divisors (664123).

13814789 is a wasteful number, since it uses less digits than its factorization.

13814789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667.

The product of its digits is 48384, while the sum is 41.

The square root of 13814789 is about 3716.8251236775. The cubic root of 13814789 is about 239.9466837585.

The spelling of 13814789 in words is "thirteen million, eight hundred fourteen thousand, seven hundred eighty-nine".