1276315496 has 8 divisors (see below), whose sum is σ = 2393091570. Its totient is φ = 638157744.

The previous prime is 1276315489. The next prime is 1276315499. The reversal of 1276315496 is 6945136721.

It can be written as a sum of positive squares in only one way, i.e., 1029511396 + 246804100 = 32086^2 + 15710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1276315499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79769711 + ... + 79769726.

Almost surely, 2^1276315496 is an apocalyptic number.

It is an amenable number.

1276315496 is a deficient number, since it is larger than the sum of its proper divisors (1116776074).

1276315496 is a wasteful number, since it uses less digits than its factorization.

1276315496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159539443 (or 159539439 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 1276315496 is about 35725.5580222339. The cubic root of 1276315496 is about 1084.7242451552.

The spelling of 1276315496 in words is "one billion, two hundred seventy-six million, three hundred fifteen thousand, four hundred ninety-six".