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13197044 = 2274397113
BaseRepresentation
bin110010010101…
…111011110100
3220211110221102
4302111323310
511334301134
61150505232
7220113230
oct62257364
926743842
1013197044
1174a4153
124505218
132970b03
141a775c0
15125a37e
hexc95ef4

13197044 has 48 divisors (see below), whose sum is σ = 27527808. Its totient is φ = 5419008.

The previous prime is 13197017. The next prime is 13197097. The reversal of 13197044 is 44079131.

It is a junction number, because it is equal to n+sod(n) for n = 13196998 and 13197016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116732 + ... + 116844.

It is an arithmetic number, because the mean of its divisors is an integer number (573496).

Almost surely, 213197044 is an apocalyptic number.

13197044 is a gapful number since it is divisible by the number (14) 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 13197044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13763904).

13197044 is an abundant number, since it is smaller than the sum of its proper divisors (14330764).

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

13197044 is a wasteful number, since it uses less digits than its factorization.

13197044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13197044 is about 3632.7735960282. The cubic root of 13197044 is about 236.3155073423.

The spelling of 13197044 in words is "thirteen million, one hundred ninety-seven thousand, forty-four".

Divisors: 1 2 4 7 14 28 43 86 97 113 172 194 226 301 388 452 602 679 791 1204 1358 1582 2716 3164 4171 4859 8342 9718 10961 16684 19436 21922 29197 34013 43844 58394 68026 76727 116788 136052 153454 306908 471323 942646 1885292 3299261 6598522 13197044