13122541 has 4 divisors (see below), whose sum is σ = 13401792. Its totient is φ = 12843292.

The previous prime is 13122539. The next prime is 13122547. The reversal of 13122541 is 14522131.

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.

It is a cyclic number.

It is not a de Polignac number, because 13122541 - 2¹ = 13122539 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 (13122547) 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, 139555 + ... + 139648.

It is an arithmetic number, because the mean of its divisors is an integer number (3350448).

Almost surely, 2^13122541 is an apocalyptic number.

It is an amenable number.

13122541 is a deficient number, since it is larger than the sum of its proper divisors (279251).

13122541 is an equidigital number, since it uses as much as digits as its factorization.

13122541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279250.

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

The square root of 13122541 is about 3622.5047964081. The cubic root of 13122541 is about 235.8699669091.

Adding to 13122541 its reverse (14522131), we get a palindrome (27644672).

The spelling of 13122541 in words is "thirteen million, one hundred twenty-two thousand, five hundred forty-one".