12123474 has 24 divisors (see below), whose sum is σ = 26653200. Its totient is φ = 3673560.

The previous prime is 12123467. The next prime is 12123481. The reversal of 12123474 is 47432121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12123467) and next prime (12123481).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7624 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (1110550).

Almost surely, 2^12123474 is an apocalyptic number.

12123474 is an abundant number, since it is smaller than the sum of its proper divisors (14529726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12123474 is a wasteful number, since it uses less digits than its factorization.

12123474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16726 (or 16715 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 12123474 is about 3481.8779415712. The cubic root of 12123474 is about 229.7254063867.

Adding to 12123474 its reverse (47432121), we get a palindrome (59555595).

The spelling of 12123474 in words is "twelve million, one hundred twenty-three thousand, four hundred seventy-four".