12537441 has 24 divisors (see below), whose sum is σ = 21053760. Its totient is φ = 7040736.

The previous prime is 12537419. The next prime is 12537443. The reversal of 12537441 is 14473521.

It is not a de Polignac number, because 12537441 - 2⁹ = 12536929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12537443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2031 + ... + 5403.

It is an arithmetic number, because the mean of its divisors is an integer number (877240).

Almost surely, 2^12537441 is an apocalyptic number.

It is an amenable number.

12537441 is a deficient number, since it is larger than the sum of its proper divisors (8516319).

12537441 is a wasteful number, since it uses less digits than its factorization.

12537441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445 (or 3442 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 12537441 is about 3540.8249038889. The cubic root of 12537441 is about 232.3109250185.

The spelling of 12537441 in words is "twelve million, five hundred thirty-seven thousand, four hundred forty-one".