13841378 has 8 divisors (see below), whose sum is σ = 20814060. Its totient is φ = 6903360.

The previous prime is 13841363. The next prime is 13841393. The reversal of 13841378 is 87314831.

It is an interprime number because it is at equal distance from previous prime (13841363) and next prime (13841393).

It can be written as a sum of positive squares in 2 ways, for example, as 12159169 + 1682209 = 3487^2 + 1297^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7643 + ... + 9278.

Almost surely, 2^13841378 is an apocalyptic number.

13841378 is a deficient number, since it is larger than the sum of its proper divisors (6972682).

13841378 is a wasteful number, since it uses less digits than its factorization.

13841378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17332.

The product of its digits is 16128, while the sum is 35.

The square root of 13841378 is about 3720.4002472852. The cubic root of 13841378 is about 240.1005250184.

The spelling of 13841378 in words is "thirteen million, eight hundred forty-one thousand, three hundred seventy-eight".