13842538 has 12 divisors (see below), whose sum is σ = 21048930. Its totient is φ = 6827496.

The previous prime is 13842529. The next prime is 13842553. The reversal of 13842538 is 83524831.

It is a happy number.

13842538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13786369 + 56169 = 3713^2 + 237^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11928 + ... + 13036.

Almost surely, 2^13842538 is an apocalyptic number.

13842538 is a deficient number, since it is larger than the sum of its proper divisors (7206392).

13842538 is an equidigital number, since it uses as much as digits as its factorization.

13842538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1190 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 13842538 is about 3720.5561412241. The cubic root of 13842538 is about 240.1072321740.

The spelling of 13842538 in words is "thirteen million, eight hundred forty-two thousand, five hundred thirty-eight".