Search a number
-
+
12249087 = 3231131571
BaseRepresentation
bin101110101110…
…011111111111
3212001022120220
4232232133333
511113432322
61114312423
7206054424
oct56563777
925038526
1012249087
116a06a14
124128713
1326cb4a6
1418abd4b
15111e55c
hexbae7ff

12249087 has 16 divisors (see below), whose sum is σ = 17203968. Its totient is φ = 7736960.

The previous prime is 12249079. The next prime is 12249103. The reversal of 12249087 is 78094221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12249087 - 23 = 12249079 is a prime.

It is a super-3 number, since 3×122490873 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7012 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (1075248).

Almost surely, 212249087 is an apocalyptic number.

12249087 is a deficient number, since it is larger than the sum of its proper divisors (4954881).

12249087 is a wasteful number, since it uses less digits than its factorization.

12249087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 12249087 is about 3499.8695689983. The cubic root of 12249087 is about 230.5160874833.

The spelling of 12249087 in words is "twelve million, two hundred forty-nine thousand, eighty-seven".

Divisors: 1 3 23 69 113 339 1571 2599 4713 7797 36133 108399 177523 532569 4083029 12249087