13229755 has 24 divisors (see below), whose sum is σ = 20150640. Its totient is φ = 8245440.

The previous prime is 13229743. The next prime is 13229759. The reversal of 13229755 is 55792231.

It is not a de Polignac number, because 13229755 - 2⁷ = 13229627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13229755.

It is not an unprimeable number, because it can be changed into a prime (13229759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (839610).

Almost surely, 2^13229755 is an apocalyptic number.

13229755 is a deficient number, since it is larger than the sum of its proper divisors (6920885).

13229755 is a wasteful number, since it uses less digits than its factorization.

13229755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939 (or 4932 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 13229755 is about 3637.2730169730. The cubic root of 13229755 is about 236.5105949332.

The spelling of 13229755 in words is "thirteen million, two hundred twenty-nine thousand, seven hundred fifty-five".