13229457 has 8 divisors (see below), whose sum is σ = 17710560. Its totient is φ = 8784000.

The previous prime is 13229443. The next prime is 13229477. The reversal of 13229457 is 75492231.

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

It is not a de Polignac number, because 13229457 - 2⁴ = 13229441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13229477) by changing a digit.

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, 8032 + ... + 9537.

It is an arithmetic number, because the mean of its divisors is an integer number (2213820).

Almost surely, 2^13229457 is an apocalyptic number.

It is an amenable number.

13229457 is a deficient number, since it is larger than the sum of its proper divisors (4481103).

13229457 is a wasteful number, since it uses less digits than its factorization.

13229457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17823.

The product of its digits is 15120, while the sum is 33.

The square root of 13229457 is about 3637.2320519868. The cubic root of 13229457 is about 236.5088191209.

The spelling of 13229457 in words is "thirteen million, two hundred twenty-nine thousand, four hundred fifty-seven".