13928235 has 16 divisors (see below), whose sum is σ = 23458560. Its totient is φ = 7037280.

The previous prime is 13928221. The next prime is 13928237. The reversal of 13928235 is 53282931.

13928235 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13928235 - 2⁹ = 13927723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13928196 and 13928205.

It is not an unprimeable number, because it can be changed into a prime (13928237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24151 + ... + 24720.

It is an arithmetic number, because the mean of its divisors is an integer number (1466160).

Almost surely, 2^13928235 is an apocalyptic number.

13928235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13928235 is a deficient number, since it is larger than the sum of its proper divisors (9530325).

13928235 is a wasteful number, since it uses less digits than its factorization.

13928235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48898.

The product of its digits is 12960, while the sum is 33.

The square root of 13928235 is about 3732.0550639025. The cubic root of 13928235 is about 240.6017020227.

The spelling of 13928235 in words is "thirteen million, nine hundred twenty-eight thousand, two hundred thirty-five".