12457349 has 4 divisors (see below), whose sum is σ = 12540000. Its totient is φ = 12374700.

The previous prime is 12457321. The next prime is 12457373. The reversal of 12457349 is 94375421.

12457349 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12457349 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 (12457309) 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, 41099 + ... + 41400.

It is an arithmetic number, because the mean of its divisors is an integer number (3135000).

Almost surely, 2^12457349 is an apocalyptic number.

It is an amenable number.

12457349 is a deficient number, since it is larger than the sum of its proper divisors (82651).

12457349 is an equidigital number, since it uses as much as digits as its factorization.

12457349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82650.

The product of its digits is 30240, while the sum is 35.

The square root of 12457349 is about 3529.4969896573. The cubic root of 12457349 is about 231.8151830213.

The spelling of 12457349 in words is "twelve million, four hundred fifty-seven thousand, three hundred forty-nine".