12654813 has 4 divisors (see below), whose sum is σ = 16873088. Its totient is φ = 8436540.

The previous prime is 12654809. The next prime is 12654833. The reversal of 12654813 is 31845621.

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 not a de Polignac number, because 12654813 - 2² = 12654809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12654833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109133 + ... + 2109138.

It is an arithmetic number, because the mean of its divisors is an integer number (4218272).

Almost surely, 2^12654813 is an apocalyptic number.

It is an amenable number.

12654813 is a deficient number, since it is larger than the sum of its proper divisors (4218275).

12654813 is an equidigital number, since it uses as much as digits as its factorization.

12654813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218274.

The product of its digits is 5760, while the sum is 30.

The square root of 12654813 is about 3557.3603978231. The cubic root of 12654813 is about 233.0336176757.

The spelling of 12654813 in words is "twelve million, six hundred fifty-four thousand, eight hundred thirteen".