13230651 has 16 divisors (see below), whose sum is σ = 20390400. Its totient is φ = 7474368.

The previous prime is 13230647. The next prime is 13230661. The reversal of 13230651 is 15603231.

It is not a de Polignac number, because 13230651 - 2² = 13230647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13230661) 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 15 ways as a sum of consecutive naturals, for example, 1671 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (1274400).

Almost surely, 2^13230651 is an apocalyptic number.

13230651 is a deficient number, since it is larger than the sum of its proper divisors (7159749).

13230651 is an equidigital number, since it uses as much as digits as its factorization.

13230651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7178.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13230651 is about 3637.3961840855. The cubic root of 13230651 is about 236.5159341278.

Adding to 13230651 its reverse (15603231), we get a palindrome (28833882).

The spelling of 13230651 in words is "thirteen million, two hundred thirty thousand, six hundred fifty-one".