12904014581 has 2 divisors, whose sum is σ = 12904014582. Its totient is φ = 12904014580.

The previous prime is 12904014527. The next prime is 12904014619. The reversal of 12904014581 is 18541040921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7714108900 + 5189905681 = 87830^2 + 72041^2 .

It is a cyclic number.

It is not a de Polignac number, because 12904014581 - 2¹⁴ = 12903998197 is a prime.

It is a super-2 number, since 2×12904014581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12904014181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6452007290 + 6452007291.

It is an arithmetic number, because the mean of its divisors is an integer number (6452007291).

Almost surely, 2^12904014581 is an apocalyptic number.

It is an amenable number.

12904014581 is a deficient number, since it is larger than the sum of its proper divisors (1).

12904014581 is an equidigital number, since it uses as much as digits as its factorization.

12904014581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 12904014581 in words is "twelve billion, nine hundred four million, fourteen thousand, five hundred eighty-one".