12406541 has 8 divisors (see below), whose sum is σ = 14636544. Its totient is φ = 10290960.

The previous prime is 12406531. The next prime is 12406561. The reversal of 12406541 is 14560421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12406541 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 (12406501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28370 + ... + 28803.

It is an arithmetic number, because the mean of its divisors is an integer number (1829568).

Almost surely, 2^12406541 is an apocalyptic number.

It is an amenable number.

12406541 is a deficient number, since it is larger than the sum of its proper divisors (2230003).

12406541 is an equidigital number, since it uses as much as digits as its factorization.

12406541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57211.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12406541 is about 3522.2920094734. The cubic root of 12406541 is about 231.4995964895.

Adding to 12406541 its reverse (14560421), we get a palindrome (26966962).

The spelling of 12406541 in words is "twelve million, four hundred six thousand, five hundred forty-one".