12773531 has 2 divisors, whose sum is σ = 12773532. Its totient is φ = 12773530.

The previous prime is 12773521. The next prime is 12773549. The reversal of 12773531 is 13537721.

12773531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13537721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12773531 is a prime.

It is a super-2 number, since 2×12773531² = 326326188415922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12773494 and 12773503.

It is not a weakly prime, because it can be changed into another prime (12773521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6386765 + 6386766.

It is an arithmetic number, because the mean of its divisors is an integer number (6386766).

Almost surely, 2^12773531 is an apocalyptic number.

12773531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12773531 is an equidigital number, since it uses as much as digits as its factorization.

12773531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 29.

The square root of 12773531 is about 3574.0076944517. The cubic root of 12773531 is about 233.7600664829.

The spelling of 12773531 in words is "twelve million, seven hundred seventy-three thousand, five hundred thirty-one".