13231046 has 4 divisors (see below), whose sum is σ = 19846572. Its totient is φ = 6615522.

The previous prime is 13231027. The next prime is 13231061. The reversal of 13231046 is 64013231.

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, 3307760 + ... + 3307763.

It is an arithmetic number, because the mean of its divisors is an integer number (4961643).

Almost surely, 2^13231046 is an apocalyptic number.

13231046 is a deficient number, since it is larger than the sum of its proper divisors (6615526).

13231046 is an equidigital number, since it uses as much as digits as its factorization.

13231046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615525.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13231046 is about 3637.4504807626. The cubic root of 13231046 is about 236.5182878256.

Adding to 13231046 its reverse (64013231), we get a palindrome (77244277).

The spelling of 13231046 in words is "thirteen million, two hundred thirty-one thousand, forty-six".