13342947 has 4 divisors (see below), whose sum is σ = 17790600. Its totient is φ = 8895296.

The previous prime is 13342937. The next prime is 13342949. The reversal of 13342947 is 74924331.

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 13342947 - 2¹² = 13338851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13342949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223822 + ... + 2223827.

It is an arithmetic number, because the mean of its divisors is an integer number (4447650).

Almost surely, 2^13342947 is an apocalyptic number.

13342947 is a deficient number, since it is larger than the sum of its proper divisors (4447653).

13342947 is an equidigital number, since it uses as much as digits as its factorization.

13342947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447652.

The product of its digits is 18144, while the sum is 33.

The square root of 13342947 is about 3652.7998850197. The cubic root of 13342947 is about 237.1831979184.

The spelling of 13342947 in words is "thirteen million, three hundred forty-two thousand, nine hundred forty-seven".