12545841 has 16 divisors (see below), whose sum is σ = 20855808. Its totient is φ = 6517200.

The previous prime is 12545821. The next prime is 12545843. The reversal of 12545841 is 14854521.

It is a de Polignac number, because none of the positive numbers 2^k-12545841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12545799 and 12545808.

It is not an unprimeable number, because it can be changed into a prime (12545843) 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, 26925 + ... + 27386.

It is an arithmetic number, because the mean of its divisors is an integer number (1303488).

Almost surely, 2^12545841 is an apocalyptic number.

12545841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12545841 is a deficient number, since it is larger than the sum of its proper divisors (8309967).

12545841 is a wasteful number, since it uses less digits than its factorization.

12545841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54332.

The product of its digits is 6400, while the sum is 30.

The square root of 12545841 is about 3542.0108695485. The cubic root of 12545841 is about 232.3627956812.

The spelling of 12545841 in words is "twelve million, five hundred forty-five thousand, eight hundred forty-one".