14378427 has 24 divisors (see below), whose sum is σ = 24770304. Its totient is φ = 7858224.

The previous prime is 14378417. The next prime is 14378431. The reversal of 14378427 is 72487341.

It is a happy number.

It is not a de Polignac number, because 14378427 - 2⁴ = 14378411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14378391 and 14378400.

It is not an unprimeable number, because it can be changed into a prime (14378417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3513 + ... + 6410.

It is an arithmetic number, because the mean of its divisors is an integer number (1032096).

Almost surely, 2^14378427 is an apocalyptic number.

14378427 is a deficient number, since it is larger than the sum of its proper divisors (10391877).

14378427 is a wasteful number, since it uses less digits than its factorization.

14378427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959 (or 9956 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 14378427 is about 3791.8896344699. The cubic root of 14378427 is about 243.1665271175.

The spelling of 14378427 in words is "fourteen million, three hundred seventy-eight thousand, four hundred twenty-seven".