13538427 has 8 divisors (see below), whose sum is σ = 20630016. Its totient is φ = 7736232.

The previous prime is 13538407. The next prime is 13538429. The reversal of 13538427 is 72483531.

13538427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13538427 - 2¹⁸ = 13276283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13538429) 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, 322323 + ... + 322364.

It is an arithmetic number, because the mean of its divisors is an integer number (2578752).

Almost surely, 2^13538427 is an apocalyptic number.

13538427 is a deficient number, since it is larger than the sum of its proper divisors (7091589).

13538427 is an equidigital number, since it uses as much as digits as its factorization.

13538427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644697.

The product of its digits is 20160, while the sum is 33.

The square root of 13538427 is about 3679.4601506199. The cubic root of 13538427 is about 238.3358662203.

The spelling of 13538427 in words is "thirteen million, five hundred thirty-eight thousand, four hundred twenty-seven".