14728505 has 8 divisors (see below), whose sum is σ = 19281024. Its totient is φ = 10711600.

The previous prime is 14728463. The next prime is 14728537. The reversal of 14728505 is 50582741.

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

It is not a de Polignac number, because 14728505 - 2¹⁴ = 14712121 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 133841 + ... + 133950.

It is an arithmetic number, because the mean of its divisors is an integer number (2410128).

Almost surely, 2^14728505 is an apocalyptic number.

It is an amenable number.

14728505 is a deficient number, since it is larger than the sum of its proper divisors (4552519).

14728505 is a wasteful number, since it uses less digits than its factorization.

14728505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267807.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 14728505 is about 3837.7734430266. The cubic root of 14728505 is about 245.1242185581.

The spelling of 14728505 in words is "fourteen million, seven hundred twenty-eight thousand, five hundred five".