12506077 has 4 divisors (see below), whose sum is σ = 12796960. Its totient is φ = 12215196.

The previous prime is 12506069. The next prime is 12506083. The reversal of 12506077 is 77060521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12506077 - 2³ = 12506069 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 (12506027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145377 + ... + 145462.

It is an arithmetic number, because the mean of its divisors is an integer number (3199240).

Almost surely, 2^12506077 is an apocalyptic number.

It is an amenable number.

12506077 is a deficient number, since it is larger than the sum of its proper divisors (290883).

12506077 is an equidigital number, since it uses as much as digits as its factorization.

12506077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290882.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 12506077 is about 3536.3932190864. The cubic root of 12506077 is about 232.1170448347.

Adding to 12506077 its reverse (77060521), we get a palindrome (89566598).

The spelling of 12506077 in words is "twelve million, five hundred six thousand, seventy-seven".