14201378 has 4 divisors (see below), whose sum is σ = 21302070. Its totient is φ = 7100688.

The previous prime is 14201357. The next prime is 14201381. The reversal of 14201378 is 87310241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87310241 = 113 ⋅772657.

It can be written as a sum of positive squares in only one way, i.e., 14160169 + 41209 = 3763^2 + 203^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3550343 + ... + 3550346.

Almost surely, 2^14201378 is an apocalyptic number.

14201378 is a deficient number, since it is larger than the sum of its proper divisors (7100692).

14201378 is an equidigital number, since it uses as much as digits as its factorization.

14201378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100691.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 14201378 is about 3768.4715734632. The cubic root of 14201378 is about 242.1643238842.

The spelling of 14201378 in words is "fourteen million, two hundred one thousand, three hundred seventy-eight".