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1307117 = 72947137
BaseRepresentation
bin100111111000111101101
32110102000202
410333013231
5313311432
644003245
714052560
oct4770755
92412022
101307117
11813069
12530525
13369c56
142604d7
151ac462
hex13f1ed

1307117 has 16 divisors (see below), whose sum is σ = 1589760. Its totient is φ = 1051008.

The previous prime is 1307107. The next prime is 1307123. The reversal of 1307117 is 7117031.

It is not a de Polignac number, because 1307117 - 24 = 1307101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9473 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (99360).

21307117 is an apocalyptic number.

It is an amenable number.

1307117 is a deficient number, since it is larger than the sum of its proper divisors (282643).

1307117 is a wasteful number, since it uses less digits than its factorization.

1307117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 147, while the sum is 20.

The square root of 1307117 is about 1143.2921761300. The cubic root of 1307117 is about 109.3380911655.

The spelling of 1307117 in words is "one million, three hundred seven thousand, one hundred seventeen".

Divisors: 1 7 29 47 137 203 329 959 1363 3973 6439 9541 27811 45073 186731 1307117