127912693 has 4 divisors (see below), whose sum is σ = 134644960. Its totient is φ = 121180428.

The previous prime is 127912679. The next prime is 127912753. The reversal of 127912693 is 396219721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127912693 - 2¹³ = 127904501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127912193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3366105 + ... + 3366142.

It is an arithmetic number, because the mean of its divisors is an integer number (33661240).

Almost surely, 2^127912693 is an apocalyptic number.

It is an amenable number.

127912693 is a deficient number, since it is larger than the sum of its proper divisors (6732267).

127912693 is an equidigital number, since it uses as much as digits as its factorization.

127912693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732266.

The product of its digits is 40824, while the sum is 40.

The square root of 127912693 is about 11309.8493800758. The cubic root of 127912693 is about 503.8538106388.

The spelling of 127912693 in words is "one hundred twenty-seven million, nine hundred twelve thousand, six hundred ninety-three".