Search a number
-
+
12147707 = 11131719263
BaseRepresentation
bin101110010101…
…101111111011
3211212011112002
4232111233323
511102211312
61112211215
7205153025
oct56255773
924764462
1012147707
116947830
124099b0b
1326942c0
141883015
1510ee4c2
hexb95bfb

12147707 has 32 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 9054720.

The previous prime is 12147701. The next prime is 12147713. The reversal of 12147707 is 70774121.

It is an interprime number because it is at equal distance from previous prime (12147701) and next prime (12147713).

It is a cyclic number.

It is not a de Polignac number, because 12147707 - 216 = 12082171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12147707.

It is not an unprimeable number, because it can be changed into a prime (12147701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46058 + ... + 46320.

It is an arithmetic number, because the mean of its divisors is an integer number (498960).

Almost surely, 212147707 is an apocalyptic number.

12147707 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12147707 is a deficient number, since it is larger than the sum of its proper divisors (3819013).

12147707 is a wasteful number, since it uses less digits than its factorization.

12147707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 12147707 is about 3485.3560793698. The cubic root of 12147707 is about 229.8783666886.

The spelling of 12147707 in words is "twelve million, one hundred forty-seven thousand, seven hundred seven".

Divisors: 1 11 13 17 19 143 187 209 221 247 263 323 2431 2717 2893 3419 3553 4199 4471 4997 37609 46189 49181 54967 58123 64961 84949 639353 714571 934439 1104337 12147707