12124013 has 16 divisors (see below), whose sum is σ = 13931136. Its totient is φ = 10443840.

The previous prime is 12123977. The next prime is 12124061. The reversal of 12124013 is 31042121.

It is not a de Polignac number, because 12124013 - 2⁶ = 12123949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124093) 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 15 ways as a sum of consecutive naturals, for example, 43631 + ... + 43907.

It is an arithmetic number, because the mean of its divisors is an integer number (870696).

Almost surely, 2^12124013 is an apocalyptic number.

It is an amenable number.

12124013 is a deficient number, since it is larger than the sum of its proper divisors (1807123).

12124013 is a wasteful number, since it uses less digits than its factorization.

12124013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12124013 is about 3481.9553414712. The cubic root of 12124013 is about 229.7288108058.

Adding to 12124013 its reverse (31042121), we get a palindrome (43166134).

It can be divided in two parts, 1212 and 4013, that added together give a palindrome (5225).

The spelling of 12124013 in words is "twelve million, one hundred twenty-four thousand, thirteen".