13793945 has 8 divisors (see below), whose sum is σ = 18057600. Its totient is φ = 10031920.

The previous prime is 13793929. The next prime is 13793947. The reversal of 13793945 is 54939731.

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

It is not a de Polignac number, because 13793945 - 2⁴ = 13793929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13793947) 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, 125345 + ... + 125454.

It is an arithmetic number, because the mean of its divisors is an integer number (2257200).

Almost surely, 2^13793945 is an apocalyptic number.

It is an amenable number.

13793945 is a deficient number, since it is larger than the sum of its proper divisors (4263655).

13793945 is a wasteful number, since it uses less digits than its factorization.

13793945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250815.

The product of its digits is 102060, while the sum is 41.

The square root of 13793945 is about 3714.0200591812. The cubic root of 13793945 is about 239.8259444017.

The spelling of 13793945 in words is "thirteen million, seven hundred ninety-three thousand, nine hundred forty-five".