13345224 has 16 divisors (see below), whose sum is σ = 33363120. Its totient is φ = 4448400.

The previous prime is 13345223. The next prime is 13345237. The reversal of 13345224 is 42254331.

It is a super-2 number, since 2×13345224² = 356190007220352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 556051 = 13345224 / (1 + 3 + 3 + 4 + 5 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 13345194 and 13345203.

It is not an unprimeable number, because it can be changed into a prime (13345223) 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 in 3 ways as a sum of consecutive naturals, for example, 278002 + ... + 278049.

It is an arithmetic number, because the mean of its divisors is an integer number (2085195).

Almost surely, 2^13345224 is an apocalyptic number.

It is an amenable number.

13345224 is an abundant number, since it is smaller than the sum of its proper divisors (20017896).

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

13345224 is a wasteful number, since it uses less digits than its factorization.

13345224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556060 (or 556056 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 13345224 is about 3653.1115504457. Note that the first 3 decimals coincide. The cubic root of 13345224 is about 237.1966890766.

Adding to 13345224 its reverse (42254331), we get a palindrome (55599555).

The spelling of 13345224 in words is "thirteen million, three hundred forty-five thousand, two hundred twenty-four".