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12930601 = 22756963
BaseRepresentation
bin110001010100…
…111000101001
3220022221110011
4301110320221
511302234401
61141051521
7214623355
oct61247051
926287404
1012930601
117331a52
1243b6ba1
1328a9758
141a08465
151206451
hexc54e29

12930601 has 4 divisors (see below), whose sum is σ = 12987792. Its totient is φ = 12873412.

The previous prime is 12930581. The next prime is 12930647. The reversal of 12930601 is 10603921.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10603921 = 71149351.

It is a cyclic number.

It is not a de Polignac number, because 12930601 - 27 = 12930473 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (12930661) 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, 28255 + ... + 28708.

It is an arithmetic number, because the mean of its divisors is an integer number (3246948).

Almost surely, 212930601 is an apocalyptic number.

It is an amenable number.

12930601 is a deficient number, since it is larger than the sum of its proper divisors (57191).

12930601 is an equidigital number, since it uses as much as digits as its factorization.

12930601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57190.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 12930601 is about 3595.9144873036. The cubic root of 12930601 is about 234.7143110457.

It can be divided in two parts, 12930 and 601, that added together give a palindrome (13531).

The spelling of 12930601 in words is "twelve million, nine hundred thirty thousand, six hundred one".

Divisors: 1 227 56963 12930601