12557343 has 8 divisors (see below), whose sum is σ = 17059248. Its totient is φ = 8213504.

The previous prime is 12557317. The next prime is 12557417. The reversal of 12557343 is 34375521.

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

It is a cyclic number.

It is not a de Polignac number, because 12557343 - 2¹³ = 12549151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12557343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12559343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39330 + ... + 39647.

It is an arithmetic number, because the mean of its divisors is an integer number (2132406).

Almost surely, 2^12557343 is an apocalyptic number.

12557343 is a deficient number, since it is larger than the sum of its proper divisors (4501905).

12557343 is an equidigital number, since it uses as much as digits as its factorization.

12557343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79033.

The product of its digits is 12600, while the sum is 30.

The square root of 12557343 is about 3543.6341515456. The cubic root of 12557343 is about 232.4337838952.

The spelling of 12557343 in words is "twelve million, five hundred fifty-seven thousand, three hundred forty-three".