14069978 has 8 divisors (see below), whose sum is σ = 22728468. Its totient is φ = 6493824.

The previous prime is 14069977. The next prime is 14069981. The reversal of 14069978 is 87996041.

It can be written as a sum of positive squares in 2 ways, for example, as 13935289 + 134689 = 3733^2 + 367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14069977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270551 + ... + 270602.

Almost surely, 2^14069978 is an apocalyptic number.

14069978 is a deficient number, since it is larger than the sum of its proper divisors (8658490).

14069978 is a wasteful number, since it uses less digits than its factorization.

14069978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541168.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 14069978 is about 3750.9969341496. The cubic root of 14069978 is about 241.4151233379.

The spelling of 14069978 in words is "fourteen million, sixty-nine thousand, nine hundred seventy-eight".