13789049 has 4 divisors (see below), whose sum is σ = 14161764. Its totient is φ = 13416336.

The previous prime is 13789033. The next prime is 13789093. The reversal of 13789049 is 94098731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7463824 + 6325225 = 2732^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 13789049 - 2⁴ = 13789033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13788997 and 13789015.

It is not an unprimeable number, because it can be changed into a prime (13789019) 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, 186302 + ... + 186375.

It is an arithmetic number, because the mean of its divisors is an integer number (3540441).

Almost surely, 2^13789049 is an apocalyptic number.

It is an amenable number.

13789049 is a deficient number, since it is larger than the sum of its proper divisors (372715).

13789049 is an equidigital number, since it uses as much as digits as its factorization.

13789049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372714.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 13789049 is about 3713.3608766184. The cubic root of 13789049 is about 239.7975665695.

The spelling of 13789049 in words is "thirteen million, seven hundred eighty-nine thousand, forty-nine".