13789738 has 4 divisors (see below), whose sum is σ = 20684610. Its totient is φ = 6894868.

The previous prime is 13789733. The next prime is 13789793. The reversal of 13789738 is 83798731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83798731 = 719 ⋅116549.

It can be written as a sum of positive squares in only one way, i.e., 8139609 + 5650129 = 2853^2 + 2377^2 .

It is not an unprimeable number, because it can be changed into a prime (13789733) 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 as a sum of consecutive naturals, namely, 3447433 + ... + 3447436.

Almost surely, 2^13789738 is an apocalyptic number.

13789738 is a deficient number, since it is larger than the sum of its proper divisors (6894872).

13789738 is an equidigital number, since it uses as much as digits as its factorization.

13789738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894871.

The product of its digits is 254016, while the sum is 46.

The square root of 13789738 is about 3713.4536485595. The cubic root of 13789738 is about 239.8015605063.

The spelling of 13789738 in words is "thirteen million, seven hundred eighty-nine thousand, seven hundred thirty-eight".