12770719 has 4 divisors (see below), whose sum is σ = 13753096. Its totient is φ = 11788344.

The previous prime is 12770711. The next prime is 12770731. The reversal of 12770719 is 91707721.

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 12770719 - 2³ = 12770711 is a prime.

It is a super-2 number, since 2×12770719² = 326182527553922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12770711) 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, 491169 + ... + 491194.

It is an arithmetic number, because the mean of its divisors is an integer number (3438274).

Almost surely, 2^12770719 is an apocalyptic number.

12770719 is a deficient number, since it is larger than the sum of its proper divisors (982377).

12770719 is an equidigital number, since it uses as much as digits as its factorization.

12770719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982376.

The product of its (nonzero) digits is 6174, while the sum is 34.

The square root of 12770719 is about 3573.6142768911. The cubic root of 12770719 is about 233.7429116975.

The spelling of 12770719 in words is "twelve million, seven hundred seventy thousand, seven hundred nineteen".