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13099700 = 22521011297
BaseRepresentation
bin110001111110…
…001010110100
3220122112102002
4301332022310
511323142300
61144434432
7216226355
oct61761264
926575362
1013099700
117437aa9
124478a18
132938703
141a4dd2c
15123b5d5
hexc7e2b4

13099700 has 36 divisors (see below), whose sum is σ = 28729932. Its totient is φ = 5184000.

The previous prime is 13099687. The next prime is 13099717. The reversal of 13099700 is 799031.

It can be written as a sum of positive squares in 6 ways, for example, as 3189796 + 9909904 = 1786^2 + 3148^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 9452 + ... + 10748.

Almost surely, 213099700 is an apocalyptic number.

13099700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13099700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14364966).

13099700 is an abundant number, since it is smaller than the sum of its proper divisors (15630232).

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

13099700 is a wasteful number, since it uses less digits than its factorization.

13099700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 13099700 is about 3619.3507705112. The cubic root of 13099700 is about 235.7330362451.

The spelling of 13099700 in words is "thirteen million, ninety-nine thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 1010 1297 2020 2525 2594 5050 5188 6485 10100 12970 25940 32425 64850 129700 130997 261994 523988 654985 1309970 2619940 3274925 6549850 13099700