13788542 has 8 divisors (see below), whose sum is σ = 20710416. Its totient is φ = 6885072.

The previous prime is 13788539. The next prime is 13788553. The reversal of 13788542 is 24588731.

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

It is a junction number, because it is equal to n+sod(n) for n = 13788496 and 13788505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543 + ... + 5834.

It is an arithmetic number, because the mean of its divisors is an integer number (2588802).

Almost surely, 2^13788542 is an apocalyptic number.

13788542 is a deficient number, since it is larger than the sum of its proper divisors (6921874).

13788542 is an equidigital number, since it uses as much as digits as its factorization.

13788542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202.

The product of its digits is 53760, while the sum is 38.

The square root of 13788542 is about 3713.2926089927. The cubic root of 13788542 is about 239.7946275499.

The spelling of 13788542 in words is "thirteen million, seven hundred eighty-eight thousand, five hundred forty-two".