13224655 has 8 divisors (see below), whose sum is σ = 16559712. Its totient is φ = 10119648.

The previous prime is 13224647. The next prime is 13224671. The reversal of 13224655 is 55642231.

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

It is a cyclic number.

It is not a de Polignac number, because 13224655 - 2³ = 13224647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57384 + ... + 57613.

It is an arithmetic number, because the mean of its divisors is an integer number (2069964).

Almost surely, 2^13224655 is an apocalyptic number.

13224655 is a deficient number, since it is larger than the sum of its proper divisors (3335057).

13224655 is a wasteful number, since it uses less digits than its factorization.

13224655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115025.

The product of its digits is 7200, while the sum is 28.

The square root of 13224655 is about 3636.5718747194. The cubic root of 13224655 is about 236.4801998361.

Adding to 13224655 its reverse (55642231), we get a palindrome (68866886).

The spelling of 13224655 in words is "thirteen million, two hundred twenty-four thousand, six hundred fifty-five".