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12387095 = 57353917
BaseRepresentation
bin101111010000…
…001100010111
3212022022220022
4233100030113
511132341340
61121255355
7210200660
oct57201427
925268808
1012387095
116aa0676
12419455b
132749256
141906367
15114a3b5
hexbd0317

12387095 has 8 divisors (see below), whose sum is σ = 16988064. Its totient is φ = 8493984.

The previous prime is 12387079. The next prime is 12387127. The reversal of 12387095 is 59078321.

12387095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12387095 - 24 = 12387079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 353917 = 12387095 / (1 + 2 + 3 + 8 + 7 + 0 + 9 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176924 + ... + 176993.

It is an arithmetic number, because the mean of its divisors is an integer number (2123508).

Almost surely, 212387095 is an apocalyptic number.

12387095 is a deficient number, since it is larger than the sum of its proper divisors (4600969).

12387095 is an equidigital number, since it uses as much as digits as its factorization.

12387095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353929.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 12387095 is about 3519.5305084627. The cubic root of 12387095 is about 231.3785824961.

The spelling of 12387095 in words is "twelve million, three hundred eighty-seven thousand, ninety-five".

Divisors: 1 5 7 35 353917 1769585 2477419 12387095