13838957 has 4 divisors (see below), whose sum is σ = 15097056. Its totient is φ = 12580860.

The previous prime is 13838953. The next prime is 13838959. The reversal of 13838957 is 75983831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13838957 - 2² = 13838953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13838953) by changing a digit.

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, 629033 + ... + 629054.

It is an arithmetic number, because the mean of its divisors is an integer number (3774264).

Almost surely, 2^13838957 is an apocalyptic number.

It is an amenable number.

13838957 is a deficient number, since it is larger than the sum of its proper divisors (1258099).

13838957 is a wasteful number, since it uses less digits than its factorization.

13838957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258098.

The product of its digits is 181440, while the sum is 44.

The square root of 13838957 is about 3720.0748648381. The cubic root of 13838957 is about 240.0865255148.

The spelling of 13838957 in words is "thirteen million, eight hundred thirty-eight thousand, nine hundred fifty-seven".