Search a number
-
+
12199386 = 2341101491
BaseRepresentation
bin101110100010…
…010111011010
3211221210102010
4232202113122
511110340021
61113250350
7205456503
oct56422732
924853363
1012199386
116982641
1241039b6
1326b1994
141897baa
15110e976
hexba25da

12199386 has 32 divisors (see below), whose sum is σ = 25292736. Its totient is φ = 3920000.

The previous prime is 12199351. The next prime is 12199393. The reversal of 12199386 is 68399121.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24601 + ... + 25091.

It is an arithmetic number, because the mean of its divisors is an integer number (790398).

Almost surely, 212199386 is an apocalyptic number.

12199386 is an abundant number, since it is smaller than the sum of its proper divisors (13093350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12199386 is a wasteful number, since it uses less digits than its factorization.

12199386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638.

The product of its digits is 23328, while the sum is 39.

The square root of 12199386 is about 3492.7619443644. The cubic root of 12199386 is about 230.2038897763.

The spelling of 12199386 in words is "twelve million, one hundred ninety-nine thousand, three hundred eighty-six".

Divisors: 1 2 3 6 41 82 101 123 202 246 303 491 606 982 1473 2946 4141 8282 12423 20131 24846 40262 49591 60393 99182 120786 148773 297546 2033231 4066462 6099693 12199386