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13634960 = 245414157
BaseRepresentation
bin110100000000…
…110110010000
3221122201122112
4310000312100
511442304320
61204124452
7223616033
oct64006620
927581575
1013634960
117773169
124696728
132a95231
141b4d01a
1512e4ec5
hexd00d90

13634960 has 40 divisors (see below), whose sum is σ = 32482296. Its totient is φ = 5319680.

The previous prime is 13634941. The next prime is 13634977. The reversal of 13634960 is 6943631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4096 + 13630864 = 64^2 + 3692^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202 + ... + 5358.

Almost surely, 213634960 is an apocalyptic number.

13634960 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 13634960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16241148).

13634960 is an abundant number, since it is smaller than the sum of its proper divisors (18847336).

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

13634960 is a wasteful number, since it uses less digits than its factorization.

13634960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4205 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 13634960 is about 3692.5546712270. The cubic root of 13634960 is about 238.9009936378.

The spelling of 13634960 in words is "thirteen million, six hundred thirty-four thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 41 80 82 164 205 328 410 656 820 1640 3280 4157 8314 16628 20785 33256 41570 66512 83140 166280 170437 332560 340874 681748 852185 1363496 1704370 2726992 3408740 6817480 13634960