1272877413 has 16 divisors (see below), whose sum is σ = 1712329920. Its totient is φ = 841037184.

The previous prime is 1272877379. The next prime is 1272877481. The reversal of 1272877413 is 3147782721.

It is not a de Polignac number, because 1272877413 - 2²⁹ = 736006501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272877813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164295 + ... + 171867.

It is an arithmetic number, because the mean of its divisors is an integer number (107020620).

Almost surely, 2^1272877413 is an apocalyptic number.

It is an amenable number.

1272877413 is a deficient number, since it is larger than the sum of its proper divisors (439452507).

1272877413 is a wasteful number, since it uses less digits than its factorization.

1272877413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068.

The product of its digits is 131712, while the sum is 42.

The square root of 1272877413 is about 35677.4075992077. The cubic root of 1272877413 is about 1083.7493749938.

The spelling of 1272877413 in words is "one billion, two hundred seventy-two million, eight hundred seventy-seven thousand, four hundred thirteen".