12317078 has 16 divisors (see below), whose sum is σ = 20093184. Its totient is φ = 5639040.

The previous prime is 12317077. The next prime is 12317087. The reversal of 12317078 is 87071321.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12317078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317077) 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, 3638 + ... + 6153.

It is an arithmetic number, because the mean of its divisors is an integer number (1255824).

Almost surely, 2^12317078 is an apocalyptic number.

12317078 is a deficient number, since it is larger than the sum of its proper divisors (7776106).

12317078 is a wasteful number, since it uses less digits than its factorization.

12317078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9847.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 12317078 is about 3509.5694892679. The cubic root of 12317078 is about 230.9418092714.

Adding to 12317078 its reverse (87071321), we get a palindrome (99388399).

The spelling of 12317078 in words is "twelve million, three hundred seventeen thousand, seventy-eight".