13224138 has 8 divisors (see below), whose sum is σ = 26448288. Its totient is φ = 4408044.

The previous prime is 13224137. The next prime is 13224139. The reversal of 13224138 is 83142231.

It is an interprime number because it is at equal distance from previous prime (13224137) and next prime (13224139).

It is a sphenic number, since it is the product of 3 distinct primes.

13224138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13224131) 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, 1102006 + ... + 1102017.

It is an arithmetic number, because the mean of its divisors is an integer number (3306036).

Almost surely, 2^13224138 is an apocalyptic number.

13224138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13224138 is a wasteful number, since it uses less digits than its factorization.

13224138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204028.

The product of its digits is 1152, while the sum is 24.

The square root of 13224138 is about 3636.5007905953. The cubic root of 13224138 is about 236.4771181714.

Adding to 13224138 its reverse (83142231), we get a palindrome (96366369).

It can be divided in two parts, 1322 and 4138, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 13224138 in words is "thirteen million, two hundred twenty-four thousand, one hundred thirty-eight".