12151725 has 48 divisors (see below), whose sum is σ = 21486720. Its totient is φ = 6048000.

The previous prime is 12151717. The next prime is 12151739. The reversal of 12151725 is 52715121.

12151725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12151725 - 2³ = 12151717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12151695 and 12151704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80400 + ... + 80550.

It is an arithmetic number, because the mean of its divisors is an integer number (447640).

Almost surely, 2^12151725 is an apocalyptic number.

12151725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12151725 is a deficient number, since it is larger than the sum of its proper divisors (9334995).

12151725 is a wasteful number, since it uses less digits than its factorization.

12151725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 225 counting only the distinct ones).

The product of its digits is 700, while the sum is 24.

The square root of 12151725 is about 3485.9324434074. The cubic root of 12151725 is about 229.9037089050.

Adding to 12151725 its reverse (52715121), we get a palindrome (64866846).

The spelling of 12151725 in words is "twelve million, one hundred fifty-one thousand, seven hundred twenty-five".