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13366672 = 2411173439
BaseRepresentation
bin110010111111…
…010110010000
3221011002121221
4302333112100
511410213142
61154254424
7221420614
oct62772620
927132557
1013366672
1175aa640
124587414
132a00097
141abd344
151290767
hexcbf590

13366672 has 40 divisors (see below), whose sum is σ = 28480320. Its totient is φ = 6026880.

The previous prime is 13366667. The next prime is 13366681. The reversal of 13366672 is 27666331.

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 7 ways as a sum of consecutive naturals, for example, 30229 + ... + 30667.

It is an arithmetic number, because the mean of its divisors is an integer number (712008).

Almost surely, 213366672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13366672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14240160).

13366672 is an abundant number, since it is smaller than the sum of its proper divisors (15113648).

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

13366672 is a wasteful number, since it uses less digits than its factorization.

13366672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 625 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The square root of 13366672 is about 3656.0459515712. The cubic root of 13366672 is about 237.3236926045.

It can be divided in two parts, 1336 and 6672, that added together give a palindrome (8008).

The spelling of 13366672 in words is "thirteen million, three hundred sixty-six thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 44 88 173 176 346 439 692 878 1384 1756 1903 2768 3512 3806 4829 7024 7612 9658 15224 19316 30448 38632 75947 77264 151894 303788 607576 835417 1215152 1670834 3341668 6683336 13366672