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12977148 = 2231081429
BaseRepresentation
bin110001100000…
…001111111100
3220102022022010
4301200033330
511310232043
61142051220
7215206152
oct61401774
926368263
1012977148
117363a18
124419b10
1328c49b2
141a1b3d2
151215133
hexc603fc

12977148 has 12 divisors (see below), whose sum is σ = 30280040. Its totient is φ = 4325712.

The previous prime is 12977147. The next prime is 12977177. The reversal of 12977148 is 84177921.

12977148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12977141) 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, 540703 + ... + 540726.

Almost surely, 212977148 is an apocalyptic number.

It is an amenable number.

12977148 is an abundant number, since it is smaller than the sum of its proper divisors (17302892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12977148 is a wasteful number, since it uses less digits than its factorization.

12977148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081436 (or 1081434 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 12977148 is about 3602.3808793630. The cubic root of 12977148 is about 234.9956118088.

It can be divided in two parts, 129 and 77148, that added together give a palindrome (77277).

The spelling of 12977148 in words is "twelve million, nine hundred seventy-seven thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 1081429 2162858 3244287 4325716 6488574 12977148