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12380095 = 57213323
BaseRepresentation
bin101111001110…
…011110111111
3212021222022001
4233032132333
511132130340
61121203131
7210141400
oct57163677
925258261
1012380095
116a96392
1241904a7
132746000
1419039a7
15114829a
hexbce7bf

12380095 has 48 divisors (see below), whose sum is σ = 19535040. Its totient is φ = 7495488.

The previous prime is 12380051. The next prime is 12380099. The reversal of 12380095 is 59008321.

It is not a de Polignac number, because 12380095 - 27 = 12379967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380099) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 538254 + ... + 538276.

It is an arithmetic number, because the mean of its divisors is an integer number (406980).

Almost surely, 212380095 is an apocalyptic number.

12380095 is a deficient number, since it is larger than the sum of its proper divisors (7154945).

12380095 is an equidigital number, since it uses as much as digits as its factorization.

12380095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12380095 is about 3518.5359171110. The cubic root of 12380095 is about 231.3349899437.

The spelling of 12380095 in words is "twelve million, three hundred eighty thousand, ninety-five".

Divisors: 1 5 7 13 23 35 49 65 91 115 161 169 245 299 455 637 805 845 1127 1183 1495 2093 2197 3185 3887 5635 5915 8281 10465 10985 14651 15379 19435 27209 41405 50531 73255 76895 107653 136045 190463 252655 353717 538265 952315 1768585 2476019 12380095