12762131 has 2 divisors, whose sum is σ = 12762132. Its totient is φ = 12762130.

The previous prime is 12762119. The next prime is 12762137. The reversal of 12762131 is 13126721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12762131 - 2¹⁸ = 12499987 is a prime.

It is a super-2 number, since 2×12762131² = 325743975322322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12762097 and 12762106.

It is not a weakly prime, because it can be changed into another prime (12762137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6381065 + 6381066.

It is an arithmetic number, because the mean of its divisors is an integer number (6381066).

Almost surely, 2^12762131 is an apocalyptic number.

12762131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12762131 is an equidigital number, since it uses as much as digits as its factorization.

12762131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 12762131 is about 3572.4124901808. The cubic root of 12762131 is about 233.6905044612.

Adding to 12762131 its reverse (13126721), we get a palindrome (25888852).

The spelling of 12762131 in words is "twelve million, seven hundred sixty-two thousand, one hundred thirty-one".