Search a number
-
+
12698950 = 2521122099
BaseRepresentation
bin110000011100…
…010101000110
3212220011200111
4300130111012
511222331300
61132103234
7212640115
oct60342506
925804614
1012698950
117193a00
124304b1a
132828194
141987c7c
1511ac9ba
hexc1c546

12698950 has 36 divisors (see below), whose sum is σ = 25974900. Its totient is φ = 4615600.

The previous prime is 12698911. The next prime is 12698951. The reversal of 12698950 is 5989621.

It is a super-2 number, since 2×126989502 = 322526662205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12698951) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5001 + ... + 7099.

It is an arithmetic number, because the mean of its divisors is an integer number (721525).

Almost surely, 212698950 is an apocalyptic number.

12698950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12698950 is an abundant number, since it is smaller than the sum of its proper divisors (13275950).

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

12698950 is a wasteful number, since it uses less digits than its factorization.

12698950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 12698950 is about 3563.5586146435. The cubic root of 12698950 is about 233.3042253939.

The spelling of 12698950 in words is "twelve million, six hundred ninety-eight thousand, nine hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 242 275 550 605 1210 2099 3025 4198 6050 10495 20990 23089 46178 52475 104950 115445 230890 253979 507958 577225 1154450 1269895 2539790 6349475 12698950