12123470 has 8 divisors (see below), whose sum is σ = 21822264. Its totient is φ = 4849384.

The previous prime is 12123467. The next prime is 12123481. The reversal of 12123470 is 7432121.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606164 + ... + 606183.

It is an arithmetic number, because the mean of its divisors is an integer number (2727783).

Almost surely, 2^12123470 is an apocalyptic number.

12123470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123470 is a deficient number, since it is larger than the sum of its proper divisors (9698794).

12123470 is a wasteful number, since it uses less digits than its factorization.

12123470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212354.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12123470 is about 3481.8773671685. The cubic root of 12123470 is about 229.7253811216.

Adding to 12123470 its reverse (7432121), we get a palindrome (19555591).

The spelling of 12123470 in words is "twelve million, one hundred twenty-three thousand, four hundred seventy".