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1197 = 32719
BaseRepresentation
bin10010101101
31122100
4102231
514242
65313
73330
oct2255
91570
101197
11999
12839
13711
14617
1554c
hex4ad

1197 has 12 divisors (see below), whose sum is σ = 2080. Its totient is φ = 648.

The previous prime is 1193. The next prime is 1201. The reversal of 1197 is 7911.

1197 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (1193) and next prime (1201).

It is not a de Polignac number, because 1197 - 22 = 1193 is a prime.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a Duffinian number.

1197 is a lucky number.

1197 is a nontrivial repdigit in base 11.

It is a plaindrome in base 8, base 11 and base 16.

It is a nialpdrome in base 7, base 11 and base 13.

It is a zygodrome in base 8 and base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54 + ... + 72.

It is an amenable number.

1197 is a deficient number, since it is larger than the sum of its proper divisors (883).

1197 is a wasteful number, since it uses less digits than its factorization.

1197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32 (or 29 counting only the distinct ones).

The product of its digits is 63, while the sum is 18.

The square root of 1197 is about 34.5976877840. The cubic root of 1197 is about 10.6177228139.

The spelling of 1197 in words is "one thousand, one hundred ninety-seven".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197