13945427 has 2 divisors, whose sum is σ = 13945428. Its totient is φ = 13945426.

The previous prime is 13945403. The next prime is 13945441. The reversal of 13945427 is 72454931.

13945427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13945427 - 2⁶ = 13945363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13945727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6972713 + 6972714.

It is an arithmetic number, because the mean of its divisors is an integer number (6972714).

Almost surely, 2^13945427 is an apocalyptic number.

13945427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13945427 is an equidigital number, since it uses as much as digits as its factorization.

13945427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 13945427 is about 3734.3576422191. The cubic root of 13945427 is about 240.7006550661.

The spelling of 13945427 in words is "thirteen million, nine hundred forty-five thousand, four hundred twenty-seven".