13937945 has 8 divisors (see below), whose sum is σ = 19114944. Its totient is φ = 9557424.

The previous prime is 13937929. The next prime is 13937953. The reversal of 13937945 is 54973931.

13937945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13937945 - 2⁴ = 13937929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199079 + ... + 199148.

It is an arithmetic number, because the mean of its divisors is an integer number (2389368).

Almost surely, 2^13937945 is an apocalyptic number.

It is an amenable number.

13937945 is a deficient number, since it is larger than the sum of its proper divisors (5176999).

13937945 is an equidigital number, since it uses as much as digits as its factorization.

13937945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398239.

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

The square root of 13937945 is about 3733.3557290995. The cubic root of 13937945 is about 240.6576004630.

The spelling of 13937945 in words is "thirteen million, nine hundred thirty-seven thousand, nine hundred forty-five".