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13472886 = 237595437
BaseRepresentation
bin110011011001…
…010001110110
3221100111022210
4303121101312
511422113021
61200434250
7222342360
oct63312166
927314283
1013472886
117672419
124618986
132a3952b
141b09d30
1512b1e76
hexcd9476

13472886 has 32 divisors (see below), whose sum is σ = 31322880. Its totient is φ = 3783456.

The previous prime is 13472873. The next prime is 13472903. The reversal of 13472886 is 68827431.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 241 + ... + 5196.

It is an arithmetic number, because the mean of its divisors is an integer number (978840).

Almost surely, 213472886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13472886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15661440).

13472886 is an abundant number, since it is smaller than the sum of its proper divisors (17849994).

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

13472886 is a wasteful number, since it uses less digits than its factorization.

13472886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508.

The product of its digits is 64512, while the sum is 39.

The square root of 13472886 is about 3670.5430115992. The cubic root of 13472886 is about 237.9506406125.

The spelling of 13472886 in words is "thirteen million, four hundred seventy-two thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 59 118 177 354 413 826 1239 2478 5437 10874 16311 32622 38059 76118 114177 228354 320783 641566 962349 1924698 2245481 4490962 6736443 13472886