12133725 has 12 divisors (see below), whose sum is σ = 20061216. Its totient is φ = 6471280.

The previous prime is 12133721. The next prime is 12133729. The reversal of 12133725 is 52733121.

It is an interprime number because it is at equal distance from previous prime (12133721) and next prime (12133729).

It is not a de Polignac number, because 12133725 - 2² = 12133721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12133695 and 12133704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133721) 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 11 ways as a sum of consecutive naturals, for example, 80817 + ... + 80966.

It is an arithmetic number, because the mean of its divisors is an integer number (1671768).

Almost surely, 2^12133725 is an apocalyptic number.

12133725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12133725 is a deficient number, since it is larger than the sum of its proper divisors (7927491).

12133725 is a wasteful number, since it uses less digits than its factorization.

12133725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161796 (or 161791 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 12133725 is about 3483.3496809824. The cubic root of 12133725 is about 229.7901362301.

Adding to 12133725 its reverse (52733121), we get a palindrome (64866846).

The spelling of 12133725 in words is "twelve million, one hundred thirty-three thousand, seven hundred twenty-five".