13224630 has 16 divisors (see below), whose sum is σ = 31739184. Its totient is φ = 3526560.

The previous prime is 13224619. The next prime is 13224641. The reversal of 13224630 is 3642231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13224619) and next prime (13224641).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13224597 and 13224606.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 220381 + ... + 220440.

It is an arithmetic number, because the mean of its divisors is an integer number (1983699).

Almost surely, 2^13224630 is an apocalyptic number.

13224630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13224630 is an abundant number, since it is smaller than the sum of its proper divisors (18514554).

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

13224630 is a wasteful number, since it uses less digits than its factorization.

13224630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440831.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13224630 is about 3636.5684374146. The cubic root of 13224630 is about 236.4800508213.

Adding to 13224630 its reverse (3642231), we get a palindrome (16866861).

The spelling of 13224630 in words is "thirteen million, two hundred twenty-four thousand, six hundred thirty".