12344457 has 4 divisors (see below), whose sum is σ = 16459280. Its totient is φ = 8229636.

The previous prime is 12344443. The next prime is 12344477. The reversal of 12344457 is 75444321.

12344457 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 12344457 - 2⁴ = 12344441 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12344477) 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, 2057407 + ... + 2057412.

It is an arithmetic number, because the mean of its divisors is an integer number (4114820).

Almost surely, 2^12344457 is an apocalyptic number.

It is an amenable number.

12344457 is a deficient number, since it is larger than the sum of its proper divisors (4114823).

12344457 is an equidigital number, since it uses as much as digits as its factorization.

12344457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114822.

The product of its digits is 13440, while the sum is 30.

The square root of 12344457 is about 3513.4679449228. The cubic root of 12344457 is about 231.1127988676.

Adding to 12344457 its reverse (75444321), we get a palindrome (87788778).

The spelling of 12344457 in words is "twelve million, three hundred forty-four thousand, four hundred fifty-seven".