12993077 has 2 divisors, whose sum is σ = 12993078. Its totient is φ = 12993076.

The previous prime is 12993067. The next prime is 12993107. The reversal of 12993077 is 77039921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11930116 + 1062961 = 3454^2 + 1031^2 .

It is a cyclic number.

It is not a de Polignac number, because 12993077 - 2¹⁸ = 12730933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12993077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12993007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6496538 + 6496539.

It is an arithmetic number, because the mean of its divisors is an integer number (6496539).

Almost surely, 2^12993077 is an apocalyptic number.

It is an amenable number.

12993077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12993077 is an equidigital number, since it uses as much as digits as its factorization.

12993077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 12993077 is about 3604.5911002498. The cubic root of 12993077 is about 235.0917221554.

The spelling of 12993077 in words is "twelve million, nine hundred ninety-three thousand, seventy-seven".