12725541 has 6 divisors (see below), whose sum is σ = 18381350. Its totient is φ = 8483688.

The previous prime is 12725513. The next prime is 12725551. The reversal of 12725541 is 14552721.

It can be written as a sum of positive squares in only one way, i.e., 11249316 + 1476225 = 3354^2 + 1215^2 .

It is not a de Polignac number, because 12725541 - 2⁷ = 12725413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12725501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706966 + ... + 706983.

Almost surely, 2^12725541 is an apocalyptic number.

It is an amenable number.

12725541 is a deficient number, since it is larger than the sum of its proper divisors (5655809).

12725541 is a wasteful number, since it uses less digits than its factorization.

12725541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413955 (or 1413952 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 12725541 is about 3567.2876250731. The cubic root of 12725541 is about 233.4669545313.

The spelling of 12725541 in words is "twelve million, seven hundred twenty-five thousand, five hundred forty-one".