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13127764 = 2213252457
BaseRepresentation
bin110010000101…
…000001010100
3220200221220111
4302011001110
511330042024
61145212404
7216404236
oct62050124
926627814
1013127764
1174570a1
124491104
132948410
141a5a256
151244a94
hexc85054

13127764 has 12 divisors (see below), whose sum is σ = 24740884. Its totient is φ = 6058944.

The previous prime is 13127761. The next prime is 13127773. The reversal of 13127764 is 46772131.

It can be written as a sum of positive squares in 2 ways, for example, as 3579664 + 9548100 = 1892^2 + 3090^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13127761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126177 + ... + 126280.

Almost surely, 213127764 is an apocalyptic number.

It is an amenable number.

13127764 is a deficient number, since it is larger than the sum of its proper divisors (11613120).

13127764 is a wasteful number, since it uses less digits than its factorization.

13127764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252474 (or 252472 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 13127764 is about 3623.2256347073. The cubic root of 13127764 is about 235.9012562106.

Adding to 13127764 its reverse (46772131), we get a palindrome (59899895).

The spelling of 13127764 in words is "thirteen million, one hundred twenty-seven thousand, seven hundred sixty-four".

Divisors: 1 2 4 13 26 52 252457 504914 1009828 3281941 6563882 13127764