12472081 has 2 divisors, whose sum is σ = 12472082. Its totient is φ = 12472080.

The previous prime is 12472051. The next prime is 12472091. The reversal of 12472081 is 18027421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10995856 + 1476225 = 3316^2 + 1215^2 .

It is a cyclic number.

It is not a de Polignac number, because 12472081 - 2¹⁷ = 12341009 is a prime.

It is a super-2 number, since 2×12472081² = 311105608941122, which contains 22 as substring.

It is equal to p₈₁₇₀₀₉ and since 12472081 and 817009 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12472051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6236040 + 6236041.

It is an arithmetic number, because the mean of its divisors is an integer number (6236041).

Almost surely, 2^12472081 is an apocalyptic number.

It is an amenable number.

12472081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12472081 is an equidigital number, since it uses as much as digits as its factorization.

12472081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12472081 is about 3531.5833559467. The cubic root of 12472081 is about 231.9065281899.

The spelling of 12472081 in words is "twelve million, four hundred seventy-two thousand, eighty-one".