12534443 has 2 divisors, whose sum is σ = 12534444. Its totient is φ = 12534442.

The previous prime is 12534421. The next prime is 12534461. The reversal of 12534443 is 34443521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12534443 - 2¹² = 12530347 is a prime.

It is a super-2 number, since 2×12534443² = 314224522640498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12534143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267221 + 6267222.

It is an arithmetic number, because the mean of its divisors is an integer number (6267222).

Almost surely, 2^12534443 is an apocalyptic number.

12534443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12534443 is an equidigital number, since it uses as much as digits as its factorization.

12534443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 26.

The square root of 12534443 is about 3540.4015309001. The cubic root of 12534443 is about 232.2924065219.

Adding to 12534443 its reverse (34443521), we get a palindrome (46977964).

The spelling of 12534443 in words is "twelve million, five hundred thirty-four thousand, four hundred forty-three".