13426547 has 4 divisors (see below), whose sum is σ = 13545480. Its totient is φ = 13307616.

The previous prime is 13426541. The next prime is 13426573. The reversal of 13426547 is 74562431.

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 13426547 - 2⁴ = 13426531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13426541) 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, 59297 + ... + 59522.

It is an arithmetic number, because the mean of its divisors is an integer number (3386370).

Almost surely, 2^13426547 is an apocalyptic number.

13426547 is a deficient number, since it is larger than the sum of its proper divisors (118933).

13426547 is a wasteful number, since it uses less digits than its factorization.

13426547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118932.

The product of its digits is 20160, while the sum is 32.

The square root of 13426547 is about 3664.2252932919. The cubic root of 13426547 is about 237.6775226768.

Adding to 13426547 its reverse (74562431), we get a palindrome (87988978).

The spelling of 13426547 in words is "thirteen million, four hundred twenty-six thousand, five hundred forty-seven".