12117310 has 8 divisors (see below), whose sum is σ = 21811176. Its totient is φ = 4846920.

The previous prime is 12117289. The next prime is 12117317. The reversal of 12117310 is 1371121.

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

It is a super-2 number, since 2×12117310² = 293658403272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605856 + ... + 605875.

It is an arithmetic number, because the mean of its divisors is an integer number (2726397).

Almost surely, 2^12117310 is an apocalyptic number.

12117310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12117310 is a deficient number, since it is larger than the sum of its proper divisors (9693866).

12117310 is a wasteful number, since it uses less digits than its factorization.

12117310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211738.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 12117310 is about 3480.9926745111. The cubic root of 12117310 is about 229.6864662980.

Adding to 12117310 its reverse (1371121), we get a palindrome (13488431).

The spelling of 12117310 in words is "twelve million, one hundred seventeen thousand, three hundred ten".