13738123 has 4 divisors (see below), whose sum is σ = 15700720. Its totient is φ = 11775528.

The previous prime is 13738117. The next prime is 13738139. The reversal of 13738123 is 32183731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13738123 - 2⁹ = 13737611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13738091 and 13738100.

It is not an unprimeable number, because it can be changed into a prime (13738163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981288 + ... + 981301.

It is an arithmetic number, because the mean of its divisors is an integer number (3925180).

Almost surely, 2^13738123 is an apocalyptic number.

13738123 is a deficient number, since it is larger than the sum of its proper divisors (1962597).

13738123 is an equidigital number, since it uses as much as digits as its factorization.

13738123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962596.

The product of its digits is 3024, while the sum is 28.

The square root of 13738123 is about 3706.4974032097. The cubic root of 13738123 is about 239.5019939601.

It can be divided in two parts, 13738 and 123, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13738123 in words is "thirteen million, seven hundred thirty-eight thousand, one hundred twenty-three".