12452541 has 4 divisors (see below), whose sum is σ = 16603392. Its totient is φ = 8301692.

The previous prime is 12452537. The next prime is 12452621. The reversal of 12452541 is 14525421.

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 12452541 - 2² = 12452537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075421 + ... + 2075426.

It is an arithmetic number, because the mean of its divisors is an integer number (4150848).

Almost surely, 2^12452541 is an apocalyptic number.

It is an amenable number.

12452541 is a deficient number, since it is larger than the sum of its proper divisors (4150851).

12452541 is an equidigital number, since it uses as much as digits as its factorization.

12452541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150850.

The product of its digits is 1600, while the sum is 24.

The square root of 12452541 is about 3528.8158070378. The cubic root of 12452541 is about 231.7853556259.

Adding to 12452541 its reverse (14525421), we get a palindrome (26977962).

It can be divided in two parts, 1 and 2452541, that added together give a palindrome (2452542).

The spelling of 12452541 in words is "twelve million, four hundred fifty-two thousand, five hundred forty-one".