[go: up one dir, main page]

Search a number
-
+
12698970 = 235423299
BaseRepresentation
bin110000011100…
…010101011010
3212220011201020
4300130111122
511222331340
61132103310
7212640144
oct60342532
925804636
1012698970
117193a19
124304b36
1328281ab
141987c94
1511ac9d0
hexc1c55a

12698970 has 16 divisors (see below), whose sum is σ = 30477600. Its totient is φ = 3386384.

The previous prime is 12698969. The next prime is 12698981. The reversal of 12698970 is 7989621.

It is a super-2 number, since 2×126989702 = 322527678121800, which contains 22 as substring.

It is an unprimeable number.

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, 211620 + ... + 211679.

It is an arithmetic number, because the mean of its divisors is an integer number (1904850).

Almost surely, 212698970 is an apocalyptic number.

12698970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12698970 is an abundant number, since it is smaller than the sum of its proper divisors (17778630).

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

12698970 is a wasteful number, since it uses less digits than its factorization.

12698970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423309.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 12698970 is about 3563.5614208261. The cubic root of 12698970 is about 233.3043478734.

The spelling of 12698970 in words is "twelve million, six hundred ninety-eight thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 423299 846598 1269897 2116495 2539794 4232990 6349485 12698970