12702491 has 2 divisors, whose sum is σ = 12702492. Its totient is φ = 12702490.

The previous prime is 12702439. The next prime is 12702517. The reversal of 12702491 is 19420721.

12702491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12702517) can be obtained adding 12702491 to its sum of digits (26).

It is a strong prime.

It is an emirp because it is prime and its reverse (19420721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12702491 is a prime.

It is a super-2 number, since 2×12702491² = 322706555210162, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12702491.

It is not a weakly prime, because it can be changed into another prime (12702191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6351245 + 6351246.

It is an arithmetic number, because the mean of its divisors is an integer number (6351246).

Almost surely, 2^12702491 is an apocalyptic number.

12702491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12702491 is an equidigital number, since it uses as much as digits as its factorization.

12702491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 12702491 is about 3564.0554148329. The cubic root of 12702491 is about 233.3259083805.

The spelling of 12702491 in words is "twelve million, seven hundred two thousand, four hundred ninety-one".