14427969 has 16 divisors (see below), whose sum is σ = 20189184. Its totient is φ = 9147600.

The previous prime is 14427967. The next prime is 14427977. The reversal of 14427969 is 96972441.

It is not a de Polignac number, because 14427969 - 2¹ = 14427967 is a prime.

It is a super-2 number, since 2×14427969² = 416332578929922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14427969.

It is not an unprimeable number, because it can be changed into a prime (14427967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14064 + ... + 15054.

It is an arithmetic number, because the mean of its divisors is an integer number (1261824).

Almost surely, 2^14427969 is an apocalyptic number.

It is an amenable number.

14427969 is a deficient number, since it is larger than the sum of its proper divisors (5761215).

14427969 is a wasteful number, since it uses less digits than its factorization.

14427969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its digits is 108864, while the sum is 42.

The square root of 14427969 is about 3798.4166438136. The cubic root of 14427969 is about 243.4454900913.

The spelling of 14427969 in words is "fourteen million, four hundred twenty-seven thousand, nine hundred sixty-nine".