13427747 has 8 divisors (see below), whose sum is σ = 13717872. Its totient is φ = 13140000.

The previous prime is 13427723. The next prime is 13427749. The reversal of 13427747 is 74772431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13427747 - 2⁶ = 13427683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13427749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14873 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (1714734).

Almost surely, 2^13427747 is an apocalyptic number.

13427747 is a deficient number, since it is larger than the sum of its proper divisors (290125).

13427747 is an equidigital number, since it uses as much as digits as its factorization.

13427747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its digits is 32928, while the sum is 35.

The square root of 13427747 is about 3664.3890350234. The cubic root of 13427747 is about 237.6846032893.

The spelling of 13427747 in words is "thirteen million, four hundred twenty-seven thousand, seven hundred forty-seven".