14478660 has 72 divisors (see below), whose sum is σ = 50197056. Its totient is φ = 3309120.

The previous prime is 14478647. The next prime is 14478677. The reversal of 14478660 is 6687441.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4486 + ... + 7005.

Almost surely, 2^14478660 is an apocalyptic number.

14478660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14478660 is an abundant number, since it is smaller than the sum of its proper divisors (35718396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14478660 is a wasteful number, since it uses less digits than its factorization.

14478660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513 (or 11508 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 14478660 is about 3805.0834419234. The cubic root of 14478660 is about 243.7302627016.

The spelling of 14478660 in words is "fourteen million, four hundred seventy-eight thousand, six hundred sixty".