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12970559 = 71997523
BaseRepresentation
bin110001011110…
…101000111111
3220101222021002
4301132220333
511310024214
61142000515
7215151020
oct61365077
926358232
1012970559
117359a78
12441613b
1328c19b4
141a18c47
1512131de
hexc5ea3f

12970559 has 8 divisors (see below), whose sum is σ = 15603840. Its totient is φ = 10532376.

The previous prime is 12970537. The next prime is 12970577. The reversal of 12970559 is 95507921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12970559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12970579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48629 + ... + 48894.

It is an arithmetic number, because the mean of its divisors is an integer number (1950480).

Almost surely, 212970559 is an apocalyptic number.

12970559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12970559 is a deficient number, since it is larger than the sum of its proper divisors (2633281).

12970559 is an equidigital number, since it uses as much as digits as its factorization.

12970559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97549.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 12970559 is about 3601.4662291906. The cubic root of 12970559 is about 234.9558329550.

The spelling of 12970559 in words is "twelve million, nine hundred seventy thousand, five hundred fifty-nine".

Divisors: 1 7 19 133 97523 682661 1852937 12970559