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12976573 = 53244841
BaseRepresentation
bin110001100000…
…000110111101
3220102021111211
4301200012331
511310222243
61142044421
7215204401
oct61400675
926367454
1012976573
117363545
124419711
1328c465c
141a1b101
151214d9d
hexc601bd

12976573 has 4 divisors (see below), whose sum is σ = 13221468. Its totient is φ = 12731680.

The previous prime is 12976567. The next prime is 12976643. The reversal of 12976573 is 37567921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37567921 = 191977259.

It can be written as a sum of positive squares in 2 ways, for example, as 5890329 + 7086244 = 2427^2 + 2662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12976573 is a prime.

It is a super-3 number, since 3×129765733 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12976273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122368 + ... + 122473.

It is an arithmetic number, because the mean of its divisors is an integer number (3305367).

Almost surely, 212976573 is an apocalyptic number.

It is an amenable number.

12976573 is a deficient number, since it is larger than the sum of its proper divisors (244895).

12976573 is an equidigital number, since it uses as much as digits as its factorization.

12976573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244894.

The product of its digits is 79380, while the sum is 40.

The square root of 12976573 is about 3602.3010701495. The cubic root of 12976573 is about 234.9921409776.

The spelling of 12976573 in words is "twelve million, nine hundred seventy-six thousand, five hundred seventy-three".

Divisors: 1 53 244841 12976573