14122378 has 4 divisors (see below), whose sum is σ = 21183570. Its totient is φ = 7061188.

The previous prime is 14122373. The next prime is 14122379. The reversal of 14122378 is 87322141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87322141 = 3361 ⋅25981.

It can be written as a sum of positive squares in only one way, i.e., 14040009 + 82369 = 3747^2 + 287^2 .

It is not an unprimeable number, because it can be changed into a prime (14122373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3530593 + ... + 3530596.

Almost surely, 2^14122378 is an apocalyptic number.

14122378 is a deficient number, since it is larger than the sum of its proper divisors (7061192).

14122378 is an equidigital number, since it uses as much as digits as its factorization.

14122378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061191.

The product of its digits is 2688, while the sum is 28.

The square root of 14122378 is about 3757.9752527126. The cubic root of 14122378 is about 241.7144481556.

The spelling of 14122378 in words is "fourteen million, one hundred twenty-two thousand, three hundred seventy-eight".