Search a number
-
+
12906957 = 37614617
BaseRepresentation
bin110001001111…
…000111001101
3220021202000110
4301033013031
511301010312
61140350233
7214464420
oct61170715
926252013
1012906957
117316208
1243a5379
13289ba6b
1419dd9b7
1511ee43c
hexc4f1cd

12906957 has 8 divisors (see below), whose sum is σ = 19667776. Its totient is φ = 7375392.

The previous prime is 12906953. The next prime is 12906967. The reversal of 12906957 is 75960921.

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

It is not a de Polignac number, because 12906957 - 22 = 12906953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12906953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307288 + ... + 307329.

It is an arithmetic number, because the mean of its divisors is an integer number (2458472).

Almost surely, 212906957 is an apocalyptic number.

It is an amenable number.

12906957 is a deficient number, since it is larger than the sum of its proper divisors (6760819).

12906957 is an equidigital number, since it uses as much as digits as its factorization.

12906957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614627.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 12906957 is about 3592.6253631571. The cubic root of 12906957 is about 234.5711629910.

The spelling of 12906957 in words is "twelve million, nine hundred six thousand, nine hundred fifty-seven".

Divisors: 1 3 7 21 614617 1843851 4302319 12906957