12542677 has 6 divisors (see below), whose sum is σ = 14590518. Its totient is φ = 10750824.

The previous prime is 12542657. The next prime is 12542723. The reversal of 12542677 is 77624521.

It can be written as a sum of positive squares in only one way, i.e., 12348196 + 194481 = 3514^2 + 441^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12542677 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 (12542657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127938 + ... + 128035.

It is an arithmetic number, because the mean of its divisors is an integer number (2431753).

Almost surely, 2^12542677 is an apocalyptic number.

It is an amenable number.

12542677 is a deficient number, since it is larger than the sum of its proper divisors (2047841).

12542677 is an equidigital number, since it uses as much as digits as its factorization.

12542677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255987 (or 255980 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 12542677 is about 3541.5642024394. The cubic root of 12542677 is about 232.3432604504.

The spelling of 12542677 in words is "twelve million, five hundred forty-two thousand, six hundred seventy-seven".