12557899 has 8 divisors (see below), whose sum is σ = 13073760. Its totient is φ = 12047616.

The previous prime is 12557891. The next prime is 12557929. The reversal of 12557899 is 99875521.

12557899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12557899 - 2³ = 12557891 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 (12557891) 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, 3547 + ... + 6139.

It is an arithmetic number, because the mean of its divisors is an integer number (1634220).

Almost surely, 2^12557899 is an apocalyptic number.

12557899 is a deficient number, since it is larger than the sum of its proper divisors (515861).

12557899 is a wasteful number, since it uses less digits than its factorization.

12557899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789.

The product of its digits is 226800, while the sum is 46.

The square root of 12557899 is about 3543.7126012136. The cubic root of 12557899 is about 232.4372143257.

It can be divided in two parts, 12557 and 899, that added together give a square (13456 = 116²).

The spelling of 12557899 in words is "twelve million, five hundred fifty-seven thousand, eight hundred ninety-nine".