12611924 has 24 divisors (see below), whose sum is σ = 23866920. Its totient is φ = 5796864.

The previous prime is 12611917. The next prime is 12611927. The reversal of 12611924 is 42911621.

It can be written as a sum of positive squares in 4 ways, for example, as 2890000 + 9721924 = 1700^2 + 3118^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 12611893 and 12611902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20972 + ... + 21564.

It is an arithmetic number, because the mean of its divisors is an integer number (994455).

Almost surely, 2^12611924 is an apocalyptic number.

It is an amenable number.

12611924 is a deficient number, since it is larger than the sum of its proper divisors (11254996).

12611924 is a wasteful number, since it uses less digits than its factorization.

12611924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1017 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 12611924 is about 3551.3270758971. The cubic root of 12611924 is about 232.7700581072.

The spelling of 12611924 in words is "twelve million, six hundred eleven thousand, nine hundred twenty-four".