Search a number
-
+
12129610 = 253833167
BaseRepresentation
bin101110010001…
…010101001010
3211211020200211
4232101111022
511101121420
61111551334
7205046203
oct56212512
924736624
1012129610
116935179
12408b54a
132688cac
14187a5aa
1510e8e5a
hexb9154a

12129610 has 16 divisors (see below), whose sum is σ = 21897216. Its totient is φ = 4837648.

The previous prime is 12129583. The next prime is 12129617. The reversal of 12129610 is 1692121.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12129617) 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 7 ways as a sum of consecutive naturals, for example, 2247 + ... + 5413.

It is an arithmetic number, because the mean of its divisors is an integer number (1368576).

Almost surely, 212129610 is an apocalyptic number.

12129610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12129610 is a deficient number, since it is larger than the sum of its proper divisors (9767606).

12129610 is a wasteful number, since it uses less digits than its factorization.

12129610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 12129610 is about 3482.7589638102. The cubic root of 12129610 is about 229.7641564828.

The spelling of 12129610 in words is "twelve million, one hundred twenty-nine thousand, six hundred ten".

Divisors: 1 2 5 10 383 766 1915 3167 3830 6334 15835 31670 1212961 2425922 6064805 12129610