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12091193 = 371392351
BaseRepresentation
bin101110000111…
…111100111001
3211202021222222
4232013330321
511043404233
61111053425
7204526202
oct56077471
924667888
1012091193
116909324
124071275
13267466a
14186a5a9
1510dc898
hexb87f39

12091193 has 8 divisors (see below), whose sum is σ = 12512640. Its totient is φ = 11674800.

The previous prime is 12091181. The next prime is 12091241. The reversal of 12091193 is 39119021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12091193 - 28 = 12090937 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (12091103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3968 + ... + 6318.

It is an arithmetic number, because the mean of its divisors is an integer number (1564080).

Almost surely, 212091193 is an apocalyptic number.

It is an amenable number.

12091193 is a deficient number, since it is larger than the sum of its proper divisors (421447).

12091193 is a wasteful number, since it uses less digits than its factorization.

12091193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 12091193 is about 3477.2392785082. The cubic root of 12091193 is about 229.5213296358.

The spelling of 12091193 in words is "twelve million, ninety-one thousand, one hundred ninety-three".

Divisors: 1 37 139 2351 5143 86987 326789 12091193