13229158 has 4 divisors (see below), whose sum is σ = 19843740. Its totient is φ = 6614578.

The previous prime is 13229147. The next prime is 13229173. The reversal of 13229158 is 85192231.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 3307288 + ... + 3307291.

It is an arithmetic number, because the mean of its divisors is an integer number (4960935).

Almost surely, 2^13229158 is an apocalyptic number.

13229158 is a deficient number, since it is larger than the sum of its proper divisors (6614582).

13229158 is an equidigital number, since it uses as much as digits as its factorization.

13229158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6614581.

The product of its digits is 4320, while the sum is 31.

The square root of 13229158 is about 3637.1909490704. The cubic root of 13229158 is about 236.5070373226.

The spelling of 13229158 in words is "thirteen million, two hundred twenty-nine thousand, one hundred fifty-eight".