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12760049 = 71179719
BaseRepresentation
bin110000101011…
…001111110001
3220000021111102
4300223033301
511231310144
61133254145
7213313211
oct60531761
926007442
1012760049
1172258a5
124334355
132849c33
1419a2241
1511c0b4e
hexc2b3f1

12760049 has 4 divisors (see below), whose sum is σ = 12939840. Its totient is φ = 12580260.

The previous prime is 12760031. The next prime is 12760051. The reversal of 12760049 is 94006721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94006721 = 472000143.

It is a cyclic number.

It is not a de Polignac number, because 12760049 - 220 = 11711473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12760249) 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 in 3 ways as a sum of consecutive naturals, for example, 89789 + ... + 89930.

It is an arithmetic number, because the mean of its divisors is an integer number (3234960).

Almost surely, 212760049 is an apocalyptic number.

It is an amenable number.

12760049 is a deficient number, since it is larger than the sum of its proper divisors (179791).

12760049 is an equidigital number, since it uses as much as digits as its factorization.

12760049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179790.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12760049 is about 3572.1210785750. The cubic root of 12760049 is about 233.6777957662.

The spelling of 12760049 in words is "twelve million, seven hundred sixty thousand, forty-nine".

Divisors: 1 71 179719 12760049