13231006 has 4 divisors (see below), whose sum is σ = 19846512. Its totient is φ = 6615502.

The previous prime is 13230991. The next prime is 13231019. The reversal of 13231006 is 60013231.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 3307750 + ... + 3307753.

It is an arithmetic number, because the mean of its divisors is an integer number (4961628).

Almost surely, 2^13231006 is an apocalyptic number.

13231006 is a deficient number, since it is larger than the sum of its proper divisors (6615506).

13231006 is an equidigital number, since it uses as much as digits as its factorization.

13231006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615505.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13231006 is about 3637.4449824018. Note that the first 3 decimals coincide. The cubic root of 13231006 is about 236.5180494786.

Adding to 13231006 its reverse (60013231), we get a palindrome (73244237).

The spelling of 13231006 in words is "thirteen million, two hundred thirty-one thousand, six".