13224007 has 4 divisors (see below), whose sum is σ = 13440856. Its totient is φ = 13007160.

The previous prime is 13223957. The next prime is 13224037. The reversal of 13224007 is 70042231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13224007 - 2⁷ = 13223879 is a prime.

It is a super-2 number, since 2×13224007² = 349748722272098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224037) 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, 108333 + ... + 108454.

It is an arithmetic number, because the mean of its divisors is an integer number (3360214).

Almost surely, 2^13224007 is an apocalyptic number.

13224007 is a deficient number, since it is larger than the sum of its proper divisors (216849).

13224007 is an equidigital number, since it uses as much as digits as its factorization.

13224007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216848.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 13224007 is about 3636.4827787300. The cubic root of 13224007 is about 236.4763373113.

Adding to 13224007 its reverse (70042231), we get a palindrome (83266238).

It can be divided in two parts, 1322 and 4007, that added together give a square (5329 = 73²).

The spelling of 13224007 in words is "thirteen million, two hundred twenty-four thousand, seven".