13212541 has 4 divisors (see below), whose sum is σ = 13638784. Its totient is φ = 12786300.

The previous prime is 13212533. The next prime is 13212547. The reversal of 13212541 is 14521231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14521231 = 211 ⋅68821.

It is a cyclic number.

It is not a de Polignac number, because 13212541 - 2³ = 13212533 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 (13212547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213075 + ... + 213136.

It is an arithmetic number, because the mean of its divisors is an integer number (3409696).

Almost surely, 2^13212541 is an apocalyptic number.

It is an amenable number.

13212541 is a deficient number, since it is larger than the sum of its proper divisors (426243).

13212541 is an equidigital number, since it uses as much as digits as its factorization.

13212541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426242.

The product of its digits is 240, while the sum is 19.

The square root of 13212541 is about 3634.9059135004. The cubic root of 13212541 is about 236.4079712021.

Adding to 13212541 its reverse (14521231), we get a palindrome (27733772).

The spelling of 13212541 in words is "thirteen million, two hundred twelve thousand, five hundred forty-one".