12125623 has 8 divisors (see below), whose sum is σ = 12693600. Its totient is φ = 11561088.

The previous prime is 12125609. The next prime is 12125647. The reversal of 12125623 is 32652121.

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

It is a de Polignac number, because none of the positive numbers 2^k-12125623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12125594 and 12125603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8763 + ... + 10051.

It is an arithmetic number, because the mean of its divisors is an integer number (1586700).

Almost surely, 2^12125623 is an apocalyptic number.

12125623 is a deficient number, since it is larger than the sum of its proper divisors (567977).

12125623 is a wasteful number, since it uses less digits than its factorization.

12125623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721.

The product of its digits is 720, while the sum is 22.

The square root of 12125623 is about 3482.1865257335. The cubic root of 12125623 is about 229.7389792490.

Adding to 12125623 its reverse (32652121), we get a palindrome (44777744).

The spelling of 12125623 in words is "twelve million, one hundred twenty-five thousand, six hundred twenty-three".