13748947 has 8 divisors (see below), whose sum is σ = 14040000. Its totient is φ = 13459944.

The previous prime is 13748939. The next prime is 13748993. The reversal of 13748947 is 74984731.

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 13748947 - 2³ = 13748939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13748047) 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 7 ways as a sum of consecutive naturals, for example, 27304 + ... + 27802.

It is an arithmetic number, because the mean of its divisors is an integer number (1755000).

Almost surely, 2^13748947 is an apocalyptic number.

13748947 is a deficient number, since it is larger than the sum of its proper divisors (291053).

13748947 is an equidigital number, since it uses as much as digits as its factorization.

13748947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025.

The product of its digits is 169344, while the sum is 43.

The square root of 13748947 is about 3707.9572543383. The cubic root of 13748947 is about 239.5648771029.

The spelling of 13748947 in words is "thirteen million, seven hundred forty-eight thousand, nine hundred forty-seven".