13235224 has 8 divisors (see below), whose sum is σ = 24816060. Its totient is φ = 6617608.

The previous prime is 13235221. The next prime is 13235237. The reversal of 13235224 is 42253231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13235195 and 13235204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13235221) by changing a digit.

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 as a sum of consecutive naturals, namely, 827194 + ... + 827209.

Almost surely, 2^13235224 is an apocalyptic number.

It is an amenable number.

13235224 is a deficient number, since it is larger than the sum of its proper divisors (11580836).

13235224 is a wasteful number, since it uses less digits than its factorization.

13235224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654409 (or 1654405 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 13235224 is about 3638.0247387834. The cubic root of 13235224 is about 236.5431805265.

Adding to 13235224 its reverse (42253231), we get a palindrome (55488455).

The spelling of 13235224 in words is "thirteen million, two hundred thirty-five thousand, two hundred twenty-four".