12542273 has 2 divisors, whose sum is σ = 12542274. Its totient is φ = 12542272.

The previous prime is 12542267. The next prime is 12542287. The reversal of 12542273 is 37224521.

12542273 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 can be written as a sum of positive squares in only one way, i.e., 10195249 + 2347024 = 3193^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 12542273 - 2⁸ = 12542017 is a prime.

It is a super-2 number, since 2×12542273² = 314617224013058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12542263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271136 + 6271137.

It is an arithmetic number, because the mean of its divisors is an integer number (6271137).

Almost surely, 2^12542273 is an apocalyptic number.

It is an amenable number.

12542273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12542273 is an equidigital number, since it uses as much as digits as its factorization.

12542273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 26.

The square root of 12542273 is about 3541.5071650358. The cubic root of 12542273 is about 232.3407658292.

Adding to 12542273 its reverse (37224521), we get a palindrome (49766794).

The spelling of 12542273 in words is "twelve million, five hundred forty-two thousand, two hundred seventy-three".