Search a number
-
+
12967939 = 73401443
BaseRepresentation
bin110001011110…
…000000000011
3220101211200001
4301132000003
511304433224
61141540431
7215140255
oct61360003
926354601
1012967939
117358006
124414717
1328c074a
141a17cd5
151212544
hexc5e003

12967939 has 8 divisors (see below), whose sum is σ = 13208112. Its totient is φ = 12729600.

The previous prime is 12967891. The next prime is 12967949. The reversal of 12967939 is 93976921.

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

It is a cyclic number.

It is not a de Polignac number, because 12967939 - 217 = 12836867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12967949) 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, 29052 + ... + 29494.

It is an arithmetic number, because the mean of its divisors is an integer number (1651014).

Almost surely, 212967939 is an apocalyptic number.

12967939 is a deficient number, since it is larger than the sum of its proper divisors (240173).

12967939 is an equidigital number, since it uses as much as digits as its factorization.

12967939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its digits is 183708, while the sum is 46.

The square root of 12967939 is about 3601.1024700777. The cubic root of 12967939 is about 234.9400118498.

The spelling of 12967939 in words is "twelve million, nine hundred sixty-seven thousand, nine hundred thirty-nine".

Divisors: 1 73 401 443 29273 32339 177643 12967939