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13332224 = 28192741
BaseRepresentation
bin110010110110…
…111100000000
3221002100101002
4302312330000
511403112344
61153431132
7221215313
oct62667400
927070332
1013332224
117586774
12456b4a8
1329ba4b9
141ab097a
15128544e
hexcb6f00

13332224 has 36 divisors (see below), whose sum is σ = 28023240. Its totient is φ = 6312960.

The previous prime is 13332223. The next prime is 13332251. The reversal of 13332224 is 42223331.

It is a junction number, because it is equal to n+sod(n) for n = 13332196 and 13332205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13332223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3494 + ... + 6234.

Almost surely, 213332224 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 13332224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14011620).

13332224 is an abundant number, since it is smaller than the sum of its proper divisors (14691016).

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

13332224 is an equidigital number, since it uses as much as digits as its factorization.

13332224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776 (or 2762 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 13332224 is about 3651.3318118188. The cubic root of 13332224 is about 237.1196438164.

Adding to 13332224 its reverse (42223331), we get a palindrome (55555555).

The spelling of 13332224 in words is "thirteen million, three hundred thirty-two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 608 1216 2432 2741 4864 5482 10964 21928 43856 52079 87712 104158 175424 208316 350848 416632 701696 833264 1666528 3333056 6666112 13332224