13745947 has 8 divisors (see below), whose sum is σ = 14167440. Its totient is φ = 13328640.

The previous prime is 13745929. The next prime is 13745957. The reversal of 13745947 is 74954731.

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 13745947 - 2⁷ = 13745819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13745957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6403 + ... + 8275.

It is an arithmetic number, because the mean of its divisors is an integer number (1770930).

Almost surely, 2^13745947 is an apocalyptic number.

13745947 is a deficient number, since it is larger than the sum of its proper divisors (421493).

13745947 is a wasteful number, since it uses less digits than its factorization.

13745947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its digits is 105840, while the sum is 40.

The square root of 13745947 is about 3707.5526968608. The cubic root of 13745947 is about 239.5474516009.

The spelling of 13745947 in words is "thirteen million, seven hundred forty-five thousand, nine hundred forty-seven".