1272345704 has 16 divisors (see below), whose sum is σ = 2726455200. Its totient is φ = 545290992.

The previous prime is 1272345673. The next prime is 1272345707. The reversal of 1272345704 is 4075432721.

It is not an unprimeable number, because it can be changed into a prime (1272345707) 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, 11360174 + ... + 11360285.

It is an arithmetic number, because the mean of its divisors is an integer number (170403450).

Almost surely, 2^1272345704 is an apocalyptic number.

1272345704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1272345704 is an abundant number, since it is smaller than the sum of its proper divisors (1454109496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272345704 is a wasteful number, since it uses less digits than its factorization.

1272345704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22720472 (or 22720468 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 1272345704 is about 35669.9552004204. The cubic root of 1272345704 is about 1083.5984519630.

The spelling of 1272345704 in words is "one billion, two hundred seventy-two million, three hundred forty-five thousand, seven hundred four".