12516677 has 4 divisors (see below), whose sum is σ = 12563136. Its totient is φ = 12470220.

The previous prime is 12516659. The next prime is 12516683. The reversal of 12516677 is 77661521.

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 12516677 - 2⁶ = 12516613 is a prime.

It is a super-3 number, since 3×12516677³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12516277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22823 + ... + 23364.

It is an arithmetic number, because the mean of its divisors is an integer number (3140784).

Almost surely, 2^12516677 is an apocalyptic number.

It is an amenable number.

12516677 is a deficient number, since it is larger than the sum of its proper divisors (46459).

12516677 is an equidigital number, since it uses as much as digits as its factorization.

12516677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46458.

The product of its digits is 17640, while the sum is 35.

The square root of 12516677 is about 3537.8916037663. The cubic root of 12516677 is about 232.1826061842.

The spelling of 12516677 in words is "twelve million, five hundred sixteen thousand, six hundred seventy-seven".