12725247 has 16 divisors (see below), whose sum is σ = 17428608. Its totient is φ = 8255520.

The previous prime is 12725239. The next prime is 12725249. The reversal of 12725247 is 74252721.

It is not a de Polignac number, because 12725247 - 2³ = 12725239 is a prime.

It is a super-2 number, since 2×12725247² = 323863822422018, which contains 22 as substring.

12725247 is a modest number, since divided by 5247 gives 1272 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12725249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25672 + ... + 26162.

It is an arithmetic number, because the mean of its divisors is an integer number (1089288).

Almost surely, 2^12725247 is an apocalyptic number.

12725247 is a deficient number, since it is larger than the sum of its proper divisors (4703361).

12725247 is a wasteful number, since it uses less digits than its factorization.

12725247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its digits is 7840, while the sum is 30.

The square root of 12725247 is about 3567.2464170562. The cubic root of 12725247 is about 233.4651565773.

Adding to 12725247 its reverse (74252721), we get a palindrome (86977968).

The spelling of 12725247 in words is "twelve million, seven hundred twenty-five thousand, two hundred forty-seven".