12949081 has 2 divisors, whose sum is σ = 12949082. Its totient is φ = 12949080.

The previous prime is 12949073. The next prime is 12949117. The reversal of 12949081 is 18094921.

12949081 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., 7617600 + 5331481 = 2760^2 + 2309^2 .

It is a cyclic number.

It is not a de Polignac number, because 12949081 - 2³ = 12949073 is a prime.

It is a super-2 number, since 2×12949081² = 335357397489122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12949021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6474540 + 6474541.

It is an arithmetic number, because the mean of its divisors is an integer number (6474541).

Almost surely, 2^12949081 is an apocalyptic number.

It is an amenable number.

12949081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12949081 is an equidigital number, since it uses as much as digits as its factorization.

12949081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 12949081 is about 3598.4831526631. The cubic root of 12949081 is about 234.8260732074.

The spelling of 12949081 in words is "twelve million, nine hundred forty-nine thousand, eighty-one".