12557077 has 8 divisors (see below), whose sum is σ = 13959680. Its totient is φ = 11216880.

The previous prime is 12557071. The next prime is 12557089. The reversal of 12557077 is 77075521.

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 12557077 - 2¹⁹ = 12032789 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 (12557071) 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, 15177 + ... + 15982.

It is an arithmetic number, because the mean of its divisors is an integer number (1744960).

Almost surely, 2^12557077 is an apocalyptic number.

It is an amenable number.

12557077 is a deficient number, since it is larger than the sum of its proper divisors (1402603).

12557077 is a wasteful number, since it uses less digits than its factorization.

12557077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31203.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 12557077 is about 3543.5966192556. The cubic root of 12557077 is about 232.4321426822.

The spelling of 12557077 in words is "twelve million, five hundred fifty-seven thousand, seventy-seven".