1307272 has 8 divisors (see below), whose sum is σ = 2451150. Its totient is φ = 653632.

The previous prime is 1307261. The next prime is 1307281. The reversal of 1307272 is 2727031.

It can be written as a sum of positive squares in only one way, i.e., 1285956 + 21316 = 1134^2 + 146^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81697 + ... + 81712.

2^1307272 is an apocalyptic number.

It is an amenable number.

1307272 is a deficient number, since it is larger than the sum of its proper divisors (1143878).

1307272 is a wasteful number, since it uses less digits than its factorization.

1307272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163415 (or 163411 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 1307272 is about 1143.3599608172. The cubic root of 1307272 is about 109.3424128226.

The spelling of 1307272 in words is "one million, three hundred seven thousand, two hundred seventy-two".