12651047 has 8 divisors (see below), whose sum is σ = 13335840. Its totient is φ = 11982880.

The previous prime is 12651019. The next prime is 12651049. The reversal of 12651047 is 74015621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12651047 - 2⁶ = 12650983 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 (12651049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2579 + ... + 5652.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 2^12651047 is an apocalyptic number.

12651047 is a deficient number, since it is larger than the sum of its proper divisors (684793).

12651047 is an equidigital number, since it uses as much as digits as its factorization.

12651047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12651047 is about 3556.8310333779. The cubic root of 12651047 is about 233.0104988914.

Adding to 12651047 its reverse (74015621), we get a palindrome (86666668).

The spelling of 12651047 in words is "twelve million, six hundred fifty-one thousand, forty-seven".