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12976029 = 3211131071
BaseRepresentation
bin110001011111…
…111110011101
3220102020202200
4301133332131
511310213104
61142042113
7215202663
oct61377635
926366680
1012976029
1173630a0
124419339
1328c4331
141a1ac33
151214b39
hexc5ff9d

12976029 has 12 divisors (see below), whose sum is σ = 20447232. Its totient is φ = 7864200.

The previous prime is 12976013. The next prime is 12976037. The reversal of 12976029 is 92067921.

It is not a de Polignac number, because 12976029 - 24 = 12976013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12975984 and 12976002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12976009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65437 + ... + 65634.

It is an arithmetic number, because the mean of its divisors is an integer number (1703936).

Almost surely, 212976029 is an apocalyptic number.

It is an amenable number.

12976029 is a deficient number, since it is larger than the sum of its proper divisors (7471203).

12976029 is a wasteful number, since it uses less digits than its factorization.

12976029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131088 (or 131085 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 12976029 is about 3602.2255620658. The cubic root of 12976029 is about 234.9888571750.

The spelling of 12976029 in words is "twelve million, nine hundred seventy-six thousand, twenty-nine".

Divisors: 1 3 9 11 33 99 131071 393213 1179639 1441781 4325343 12976029