13229993 has 4 divisors (see below), whose sum is σ = 15120000. Its totient is φ = 11339988.

The previous prime is 13229981. The next prime is 13229999. The reversal of 13229993 is 39992231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13229993 - 2⁸ = 13229737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13229999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944993 + ... + 945006.

It is an arithmetic number, because the mean of its divisors is an integer number (3780000).

Almost surely, 2^13229993 is an apocalyptic number.

It is an amenable number.

13229993 is a deficient number, since it is larger than the sum of its proper divisors (1890007).

13229993 is an equidigital number, since it uses as much as digits as its factorization.

13229993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890006.

The product of its digits is 26244, while the sum is 38.

The square root of 13229993 is about 3637.3057336441. The cubic root of 13229993 is about 236.5120131803.

The spelling of 13229993 in words is "thirteen million, two hundred twenty-nine thousand, nine hundred ninety-three".