13567427 has 4 divisors (see below), whose sum is σ = 13719960. Its totient is φ = 13414896.

The previous prime is 13567423. The next prime is 13567439. The reversal of 13567427 is 72476531.

13567427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72476531 = 1621 ⋅44711.

It is a cyclic number.

It is not a de Polignac number, because 13567427 - 2² = 13567423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13567423) 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, 76133 + ... + 76310.

It is an arithmetic number, because the mean of its divisors is an integer number (3429990).

Almost surely, 2^13567427 is an apocalyptic number.

13567427 is a deficient number, since it is larger than the sum of its proper divisors (152533).

13567427 is an equidigital number, since it uses as much as digits as its factorization.

13567427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152532.

The product of its digits is 35280, while the sum is 35.

The square root of 13567427 is about 3683.3988380299. The cubic root of 13567427 is about 238.5059207100.

The spelling of 13567427 in words is "thirteen million, five hundred sixty-seven thousand, four hundred twenty-seven".