12618847 has 8 divisors (see below), whose sum is σ = 12916736. Its totient is φ = 12324312.

The previous prime is 12618841. The next prime is 12618863. The reversal of 12618847 is 74881621.

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 12618847 - 2¹⁹ = 12094559 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 (12618841) 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 7 ways as a sum of consecutive naturals, for example, 7768 + ... + 9250.

It is an arithmetic number, because the mean of its divisors is an integer number (1614592).

Almost surely, 2^12618847 is an apocalyptic number.

12618847 is a deficient number, since it is larger than the sum of its proper divisors (297889).

12618847 is a wasteful number, since it uses less digits than its factorization.

12618847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its digits is 21504, while the sum is 37.

The square root of 12618847 is about 3552.3016482275. The cubic root of 12618847 is about 232.8126414155.

The spelling of 12618847 in words is "twelve million, six hundred eighteen thousand, eight hundred forty-seven".