12457306 has 16 divisors (see below), whose sum is σ = 19600704. Its totient is φ = 5926624.

The previous prime is 12457301. The next prime is 12457307. The reversal of 12457306 is 60375421.

It is not an unprimeable number, because it can be changed into a prime (12457301) 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 7 ways as a sum of consecutive naturals, for example, 9846 + ... + 11038.

It is an arithmetic number, because the mean of its divisors is an integer number (1225044).

Almost surely, 2^12457306 is an apocalyptic number.

12457306 is a deficient number, since it is larger than the sum of its proper divisors (7143398).

12457306 is a wasteful number, since it uses less digits than its factorization.

12457306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 12457306 is about 3529.4908981325. The cubic root of 12457306 is about 231.8149162962.

The spelling of 12457306 in words is "twelve million, four hundred fifty-seven thousand, three hundred six".