12117470 has 16 divisors (see below), whose sum is σ = 21925728. Its totient is φ = 4821600.

The previous prime is 12117461. The next prime is 12117473. The reversal of 12117470 is 7471121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117473) 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, 1106 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (1370358).

Almost surely, 2^12117470 is an apocalyptic number.

12117470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12117470 is a deficient number, since it is larger than the sum of its proper divisors (9808258).

12117470 is a wasteful number, since it uses less digits than its factorization.

12117470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6355.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 12117470 is about 3481.0156563854. The cubic root of 12117470 is about 229.6874772394.

Adding to 12117470 its reverse (7471121), we get a palindrome (19588591).

The spelling of 12117470 in words is "twelve million, one hundred seventeen thousand, four hundred seventy".