1272699796 has 24 divisors (see below), whose sum is σ = 2258403840. Its totient is φ = 627463200.

The previous prime is 1272699721. The next prime is 1272699817. The reversal of 1272699796 is 6979962721.

It is a super-3 number, since 3×1272699796³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1272699796.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 285666 + ... + 290086.

It is an arithmetic number, because the mean of its divisors is an integer number (94100160).

Almost surely, 2^1272699796 is an apocalyptic number.

It is an amenable number.

1272699796 is a deficient number, since it is larger than the sum of its proper divisors (985704044).

1272699796 is a wasteful number, since it uses less digits than its factorization.

1272699796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415 (or 5413 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 58.

The square root of 1272699796 is about 35674.9183040410. The cubic root of 1272699796 is about 1083.6989639422.

The spelling of 1272699796 in words is "one billion, two hundred seventy-two million, six hundred ninety-nine thousand, seven hundred ninety-six".