14928769 has 4 divisors (see below), whose sum is σ = 15060996. Its totient is φ = 14796544.

The previous prime is 14928761. The next prime is 14928773. The reversal of 14928769 is 96782941.

14928769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96782941 = 19 ⋅5093839.

It can be written as a sum of positive squares in 2 ways, for example, as 1238769 + 13690000 = 1113^2 + 3700^2 .

It is a cyclic number.

It is not a de Polignac number, because 14928769 - 2³ = 14928761 is a prime.

It is a super-2 number, since 2×14928769² = 445736287710722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14928761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65944 + ... + 66169.

It is an arithmetic number, because the mean of its divisors is an integer number (3765249).

Almost surely, 2^14928769 is an apocalyptic number.

It is an amenable number.

14928769 is a deficient number, since it is larger than the sum of its proper divisors (132227).

14928769 is a wasteful number, since it uses less digits than its factorization.

14928769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132226.

The product of its digits is 217728, while the sum is 46.

The square root of 14928769 is about 3863.7765204525. The cubic root of 14928769 is about 246.2302084122.

The spelling of 14928769 in words is "fourteen million, nine hundred twenty-eight thousand, seven hundred sixty-nine".