14400775 has 6 divisors (see below), whose sum is σ = 17856992. Its totient is φ = 11520600.

The previous prime is 14400773. The next prime is 14400781. The reversal of 14400775 is 57700441.

It is not a de Polignac number, because 14400775 - 2¹ = 14400773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14400773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287991 + ... + 288040.

Almost surely, 2^14400775 is an apocalyptic number.

14400775 is a deficient number, since it is larger than the sum of its proper divisors (3456217).

14400775 is an equidigital number, since it uses as much as digits as its factorization.

14400775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576041 (or 576036 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 14400775 is about 3794.8353060443. The cubic root of 14400775 is about 243.2924442877.

The spelling of 14400775 in words is "fourteen million, four hundred thousand, seven hundred seventy-five".