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13172964 = 2237243521
BaseRepresentation
bin110010010000…
…000011100100
3220210020220120
4302100003210
511333013324
61150201540
7216653100
oct62200344
926706816
1013172964
117488052
1244b32b0
132962b6c
141a6c900
151253179
hexc900e4

13172964 has 72 divisors (see below), whose sum is σ = 36656928. Its totient is φ = 3669120.

The previous prime is 13172959. The next prime is 13172981. The reversal of 13172964 is 46927131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25024 + ... + 25544.

It is an arithmetic number, because the mean of its divisors is an integer number (509124).

Almost surely, 213172964 is an apocalyptic number.

13172964 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 13172964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18328464).

13172964 is an abundant number, since it is smaller than the sum of its proper divisors (23483964).

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

13172964 is a wasteful number, since it uses less digits than its factorization.

13172964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 576 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 13172964 is about 3629.4578107480. The cubic root of 13172964 is about 236.1716887222.

The spelling of 13172964 in words is "thirteen million, one hundred seventy-two thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 49 84 86 98 129 147 172 196 258 294 301 516 521 588 602 903 1042 1204 1563 1806 2084 2107 3126 3612 3647 4214 6252 6321 7294 8428 10941 12642 14588 21882 22403 25284 25529 43764 44806 51058 67209 76587 89612 102116 134418 153174 156821 268836 306348 313642 470463 627284 940926 1097747 1881852 2195494 3293241 4390988 6586482 13172964