14248729 has 4 divisors (see below), whose sum is σ = 15544080. Its totient is φ = 12953380.

The previous prime is 14248691. The next prime is 14248757. The reversal of 14248729 is 92784241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14248729 - 2⁹ = 14248217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14248769) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 647659 + ... + 647680.

It is an arithmetic number, because the mean of its divisors is an integer number (3886020).

Almost surely, 2^14248729 is an apocalyptic number.

It is an amenable number.

14248729 is a deficient number, since it is larger than the sum of its proper divisors (1295351).

14248729 is a wasteful number, since it uses less digits than its factorization.

14248729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295350.

The product of its digits is 32256, while the sum is 37.

The square root of 14248729 is about 3774.7488658188. The cubic root of 14248729 is about 242.4331710842.

It can be divided in two parts, 1424 and 8729, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 14248729 in words is "fourteen million, two hundred forty-eight thousand, seven hundred twenty-nine".