13923427 has 8 divisors (see below), whose sum is σ = 16092000. Its totient is φ = 11799744.

The previous prime is 13923407. The next prime is 13923431. The reversal of 13923427 is 72432931.

13923427 is digitally balanced in base 2 and base 8, because in such bases 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 a de Polignac number, because none of the positive numbers 2^k-13923427 is a prime.

It is a Duffinian number.

13923427 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (13923407) 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, 10552 + ... + 11797.

It is an arithmetic number, because the mean of its divisors is an integer number (2011500).

Almost surely, 2^13923427 is an apocalyptic number.

13923427 is a deficient number, since it is larger than the sum of its proper divisors (2168573).

13923427 is an equidigital number, since it uses as much as digits as its factorization.

13923427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22445.

The product of its digits is 9072, while the sum is 31.

The square root of 13923427 is about 3731.4108591791. The cubic root of 13923427 is about 240.5740137545.

The spelling of 13923427 in words is "thirteen million, nine hundred twenty-three thousand, four hundred twenty-seven".