14728131 has 24 divisors (see below), whose sum is σ = 23961600. Its totient is φ = 8636400.

The previous prime is 14728127. The next prime is 14728157. The reversal of 14728131 is 13182741.

It is not a de Polignac number, because 14728131 - 2² = 14728127 is a prime.

It is a super-2 number, since 2×14728131² = 433835685506322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14728095 and 14728104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14728121) 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 23 ways as a sum of consecutive naturals, for example, 670 + ... + 5468.

It is an arithmetic number, because the mean of its divisors is an integer number (998400).

Almost surely, 2^14728131 is an apocalyptic number.

14728131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14728131 is a deficient number, since it is larger than the sum of its proper divisors (9233469).

14728131 is a wasteful number, since it uses less digits than its factorization.

14728131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847 (or 4844 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 14728131 is about 3837.7247165476. The cubic root of 14728131 is about 245.1221437326.

The spelling of 14728131 in words is "fourteen million, seven hundred twenty-eight thousand, one hundred thirty-one".