13788123 has 8 divisors (see below), whose sum is σ = 18696000. Its totient is φ = 9036168.

The previous prime is 13788119. The next prime is 13788157. The reversal of 13788123 is 32188731.

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

It is not a de Polignac number, because 13788123 - 2² = 13788119 is a prime.

It is a super-2 number, since 2×13788123² = 380224671726258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13788163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38773 + ... + 39126.

It is an arithmetic number, because the mean of its divisors is an integer number (2337000).

Almost surely, 2^13788123 is an apocalyptic number.

13788123 is a deficient number, since it is larger than the sum of its proper divisors (4907877).

13788123 is an equidigital number, since it uses as much as digits as its factorization.

13788123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77961.

The product of its digits is 8064, while the sum is 33.

The square root of 13788123 is about 3713.2361896330. The cubic root of 13788123 is about 239.7921986016.

The spelling of 13788123 in words is "thirteen million, seven hundred eighty-eight thousand, one hundred twenty-three".