13789297 has 8 divisors (see below), whose sum is σ = 14331240. Its totient is φ = 13251840.

The previous prime is 13789289. The next prime is 13789313. The reversal of 13789297 is 79298731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1948816 + 11840481 = 1396^2 + 3441^2 .

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

It is not a de Polignac number, because 13789297 - 2³ = 13789289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13789207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6003 + ... + 7975.

It is an arithmetic number, because the mean of its divisors is an integer number (1791405).

Almost surely, 2^13789297 is an apocalyptic number.

It is an amenable number.

13789297 is a deficient number, since it is larger than the sum of its proper divisors (541943).

13789297 is a wasteful number, since it uses less digits than its factorization.

13789297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243.

The product of its digits is 190512, while the sum is 46.

The square root of 13789297 is about 3713.3942693983. The cubic root of 13789297 is about 239.7990041702.

The spelling of 13789297 in words is "thirteen million, seven hundred eighty-nine thousand, two hundred ninety-seven".