12115471 has 2 divisors, whose sum is σ = 12115472. Its totient is φ = 12115470.

The previous prime is 12115463. The next prime is 12115501. The reversal of 12115471 is 17451121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12115471 - 2³ = 12115463 is a prime.

It is a super-3 number, since 3×12115471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12115421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6057735 + 6057736.

It is an arithmetic number, because the mean of its divisors is an integer number (6057736).

Almost surely, 2^12115471 is an apocalyptic number.

12115471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12115471 is an equidigital number, since it uses as much as digits as its factorization.

12115471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280, while the sum is 22.

The square root of 12115471 is about 3480.7285156990. The cubic root of 12115471 is about 229.6748461507.

Adding to 12115471 its reverse (17451121), we get a palindrome (29566592).

The spelling of 12115471 in words is "twelve million, one hundred fifteen thousand, four hundred seventy-one".