12770291 has 4 divisors (see below), whose sum is σ = 13115472. Its totient is φ = 12425112.

The previous prime is 12770287. The next prime is 12770293. The reversal of 12770291 is 19207721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12770291 - 2² = 12770287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12770293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172535 + ... + 172608.

It is an arithmetic number, because the mean of its divisors is an integer number (3278868).

Almost surely, 2^12770291 is an apocalyptic number.

12770291 is a deficient number, since it is larger than the sum of its proper divisors (345181).

12770291 is an equidigital number, since it uses as much as digits as its factorization.

12770291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345180.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 12770291 is about 3573.5543930378. The cubic root of 12770291 is about 233.7403004354.

The spelling of 12770291 in words is "twelve million, seven hundred seventy thousand, two hundred ninety-one".