13428234 has 32 divisors (see below), whose sum is σ = 30072000. Its totient is φ = 4441392.

The previous prime is 13428187. The next prime is 13428241. The reversal of 13428234 is 43282431.

13428234 is a `hidden beast` number, since 1 + 3 + 428 + 234 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13428198 and 13428207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6612 + ... + 8400.

It is an arithmetic number, because the mean of its divisors is an integer number (939750).

Almost surely, 2^13428234 is an apocalyptic number.

13428234 is an abundant number, since it is smaller than the sum of its proper divisors (16643766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13428234 is a wasteful number, since it uses less digits than its factorization.

13428234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939 (or 1933 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 13428234 is about 3664.4554847890. The cubic root of 13428234 is about 237.6874767176.

The spelling of 13428234 in words is "thirteen million, four hundred twenty-eight thousand, two hundred thirty-four".