12743925 has 12 divisors (see below), whose sum is σ = 21070080. Its totient is φ = 6796720.

The previous prime is 12743923. The next prime is 12743933. The reversal of 12743925 is 52934721.

It is not a de Polignac number, because 12743925 - 2¹ = 12743923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12743923) 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, 84885 + ... + 85034.

It is an arithmetic number, because the mean of its divisors is an integer number (1755840).

Almost surely, 2^12743925 is an apocalyptic number.

12743925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12743925 is a deficient number, since it is larger than the sum of its proper divisors (8326155).

12743925 is a wasteful number, since it uses less digits than its factorization.

12743925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169932 (or 169927 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 12743925 is about 3569.8634427664. The cubic root of 12743925 is about 233.5793267363.

The spelling of 12743925 in words is "twelve million, seven hundred forty-three thousand, nine hundred twenty-five".