14478783 has 16 divisors (see below), whose sum is σ = 21124992. Its totient is φ = 8748000.

The previous prime is 14478749. The next prime is 14478791. The reversal of 14478783 is 38787441.

It is not a de Polignac number, because 14478783 - 2⁶ = 14478719 is a prime.

It is a super-2 number, since 2×14478783² = 419270314322178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14478083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17448 + ... + 18258.

It is an arithmetic number, because the mean of its divisors is an integer number (1320312).

Almost surely, 2^14478783 is an apocalyptic number.

14478783 is a deficient number, since it is larger than the sum of its proper divisors (6646209).

14478783 is a wasteful number, since it uses less digits than its factorization.

14478783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366.

The product of its digits is 150528, while the sum is 42.

The square root of 14478783 is about 3805.0996044782. The cubic root of 14478783 is about 243.7309528838.

The spelling of 14478783 in words is "fourteen million, four hundred seventy-eight thousand, seven hundred eighty-three".