12453841 has 3 divisors (see below), whose sum is σ = 12457371. Its totient is φ = 12450312.

The previous prime is 12453829. The next prime is 12453851. The reversal of 12453841 is 14835421.

The square root of 12453841 is 3529.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1164241 + 11289600 = 1079^2 + 3360^2 .

It is not a de Polignac number, because 12453841 - 2⁷ = 12453713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12453811) 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 2 ways as a sum of consecutive naturals, for example, 1765 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (4152457).

Almost surely, 2^12453841 is an apocalyptic number.

12453841 is the 3529-th square number.

12453841 is the 1765-th centered octagonal number.

It is an amenable number.

12453841 is a deficient number, since it is larger than the sum of its proper divisors (3530).

12453841 is an frugal number, since it uses more digits than its factorization.

12453841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7058 (or 3529 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The cubic root of 12453841 is about 231.7934211947.

The spelling of 12453841 in words is "twelve million, four hundred fifty-three thousand, eight hundred forty-one".