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14860639 is a prime number
BaseRepresentation
bin111000101100…
…000101011111
31000221222222001
4320230011133
512301020024
61250303131
7240212323
oct70540537
930858861
1014860639
118430022
124b87aa7
1331040a1
141d8b983
151488244
hexe2c15f

14860639 has 2 divisors, whose sum is σ = 14860640. Its totient is φ = 14860638.

The previous prime is 14860627. The next prime is 14860649. The reversal of 14860639 is 93606841.

It is a strong prime.

It is an emirp because it is prime and its reverse (93606841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14860639 - 213 = 14852447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14860598 and 14860607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14860609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7430319 + 7430320.

It is an arithmetic number, because the mean of its divisors is an integer number (7430320).

Almost surely, 214860639 is an apocalyptic number.

14860639 is a deficient number, since it is larger than the sum of its proper divisors (1).

14860639 is an equidigital number, since it uses as much as digits as its factorization.

14860639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 14860639 is about 3854.9499348241. The cubic root of 14860639 is about 245.8550658817.

The spelling of 14860639 in words is "fourteen million, eight hundred sixty thousand, six hundred thirty-nine".