12164725 has 6 divisors (see below), whose sum is σ = 15084290. Its totient is φ = 9731760.

The previous prime is 12164699. The next prime is 12164759. The reversal of 12164725 is 52746121.

12164725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 40401 + 12124324 = 201^2 + 3482^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12164725 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12164693 and 12164702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243270 + ... + 243319.

Almost surely, 2^12164725 is an apocalyptic number.

It is an amenable number.

12164725 is a deficient number, since it is larger than the sum of its proper divisors (2919565).

12164725 is an equidigital number, since it uses as much as digits as its factorization.

12164725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486599 (or 486594 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 12164725 is about 3487.7965823712. The cubic root of 12164725 is about 229.9856638827.

It can be divided in two parts, 121 and 64725, that added together give a palindrome (64846).

The spelling of 12164725 in words is "twelve million, one hundred sixty-four thousand, seven hundred twenty-five".