12123627 has 4 divisors (see below), whose sum is σ = 16164840. Its totient is φ = 8082416.

The previous prime is 12123607. The next prime is 12123637. The reversal of 12123627 is 72632121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12123627 - 2⁶ = 12123563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12123597 and 12123606.

It is not an unprimeable number, because it can be changed into a prime (12123607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020602 + ... + 2020607.

It is an arithmetic number, because the mean of its divisors is an integer number (4041210).

Almost surely, 2^12123627 is an apocalyptic number.

12123627 is a deficient number, since it is larger than the sum of its proper divisors (4041213).

12123627 is an equidigital number, since it uses as much as digits as its factorization.

12123627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041212.

The product of its digits is 1008, while the sum is 24.

The square root of 12123627 is about 3481.8999124041. The cubic root of 12123627 is about 229.7263727719.

Adding to 12123627 its reverse (72632121), we get a palindrome (84755748).

It can be divided in two parts, 12 and 123627, that multiplied together give a square (1483524 = 1218²).

The spelling of 12123627 in words is "twelve million, one hundred twenty-three thousand, six hundred twenty-seven".