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12975929 = 59219931
BaseRepresentation
bin110001011111…
…111100111001
3220102020121222
4301133330321
511310212204
61142041425
7215202461
oct61377471
926366558
1012975929
11736300a
124419275
1328c4285
141a1aba1
151214abe
hexc5ff39

12975929 has 4 divisors (see below), whose sum is σ = 13195920. Its totient is φ = 12755940.

The previous prime is 12975899. The next prime is 12975953. The reversal of 12975929 is 92957921.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12975929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12975929.

It is not an unprimeable number, because it can be changed into a prime (12975629) 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, 109907 + ... + 110024.

It is an arithmetic number, because the mean of its divisors is an integer number (3298980).

Almost surely, 212975929 is an apocalyptic number.

It is an amenable number.

12975929 is a deficient number, since it is larger than the sum of its proper divisors (219991).

12975929 is an equidigital number, since it uses as much as digits as its factorization.

12975929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219990.

The product of its digits is 102060, while the sum is 44.

The square root of 12975929 is about 3602.2116817311. The cubic root of 12975929 is about 234.9882535248.

The spelling of 12975929 in words is "twelve million, nine hundred seventy-five thousand, nine hundred twenty-nine".

Divisors: 1 59 219931 12975929