13235428 has 12 divisors (see below), whose sum is σ = 23189040. Its totient is φ = 6609992.

The previous prime is 13235399. The next prime is 13235447. The reversal of 13235428 is 82453231.

It is a junction number, because it is equal to n+sod(n) for n = 13235396 and 13235405.

It is an unprimeable number.

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, 3843 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (1932420).

Almost surely, 2^13235428 is an apocalyptic number.

It is an amenable number.

13235428 is a deficient number, since it is larger than the sum of its proper divisors (9953612).

13235428 is a wasteful number, since it uses less digits than its factorization.

13235428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866 (or 3864 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 13235428 is about 3638.0527758679. The cubic root of 13235428 is about 236.5443958330.

Adding to 13235428 its reverse (82453231), we get a palindrome (95688659).

The spelling of 13235428 in words is "thirteen million, two hundred thirty-five thousand, four hundred twenty-eight".