12273457 has 8 divisors (see below), whose sum is σ = 14069376. Its totient is φ = 10488192.

The previous prime is 12273451. The next prime is 12273479. The reversal of 12273457 is 75437221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12273457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12273451) 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, 13 + ... + 4954.

It is an arithmetic number, because the mean of its divisors is an integer number (1758672).

Almost surely, 2^12273457 is an apocalyptic number.

It is an amenable number.

12273457 is a deficient number, since it is larger than the sum of its proper divisors (1795919).

12273457 is an equidigital number, since it uses as much as digits as its factorization.

12273457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327.

The product of its digits is 11760, while the sum is 31.

The square root of 12273457 is about 3503.3493973625. The cubic root of 12273457 is about 230.6688595672.

The spelling of 12273457 in words is "twelve million, two hundred seventy-three thousand, four hundred fifty-seven".