12618783 has 6 divisors (see below), whose sum is σ = 18227144. Its totient is φ = 8412516.

The previous prime is 12618779. The next prime is 12618787. The reversal of 12618783 is 38781621.

It is an interprime number because it is at equal distance from previous prime (12618779) and next prime (12618787).

It is not a de Polignac number, because 12618783 - 2² = 12618779 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 (12618787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701035 + ... + 701052.

Almost surely, 2^12618783 is an apocalyptic number.

12618783 is a deficient number, since it is larger than the sum of its proper divisors (5608361).

12618783 is a wasteful number, since it uses less digits than its factorization.

12618783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402093 (or 1402090 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12618783 is about 3552.2926399721. The cubic root of 12618783 is about 232.8122478234.

The spelling of 12618783 in words is "twelve million, six hundred eighteen thousand, seven hundred eighty-three".