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12027977 = 131078647
BaseRepresentation
bin101101111000…
…100001001001
3211122002021122
4231320201021
511034343402
61105445025
7204143663
oct55704111
924562248
1012027977
116875885
124040775
132651960
141851533
1510c8ca2
hexb78849

12027977 has 8 divisors (see below), whose sum is σ = 13075776. Its totient is φ = 10997712.

The previous prime is 12027971. The next prime is 12028001. The reversal of 12027977 is 77972021.

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 12027977 - 26 = 12027913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12027971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933 + ... + 5714.

It is an arithmetic number, because the mean of its divisors is an integer number (1634472).

Almost surely, 212027977 is an apocalyptic number.

It is an amenable number.

12027977 is a deficient number, since it is larger than the sum of its proper divisors (1047799).

12027977 is a wasteful number, since it uses less digits than its factorization.

12027977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8767.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 12027977 is about 3468.1373963556. The cubic root of 12027977 is about 229.1206308115.

Adding to 12027977 its reverse (77972021), we get a palindrome (89999998).

The spelling of 12027977 in words is "twelve million, twenty-seven thousand, nine hundred seventy-seven".

Divisors: 1 13 107 1391 8647 112411 925229 12027977