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13380812 = 224876869
BaseRepresentation
bin110011000010…
…110011001100
3221011211000122
4303002303030
511411141222
61154444112
7221510054
oct63026314
927154018
1013380812
11760a225
124593638
132a06653
141ac4564
151294a42
hexcc2ccc

13380812 has 12 divisors (see below), whose sum is σ = 23467920. Its totient is φ = 6675696.

The previous prime is 13380799. The next prime is 13380817. The reversal of 13380812 is 21808331.

It is a super-2 number, since 2×133808122 = 358092259558688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13380817) 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, 1487 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (1955660).

Almost surely, 213380812 is an apocalyptic number.

It is an amenable number.

13380812 is a deficient number, since it is larger than the sum of its proper divisors (10087108).

13380812 is a wasteful number, since it uses less digits than its factorization.

13380812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360 (or 7358 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 13380812 is about 3657.9792235605. The cubic root of 13380812 is about 237.4073477932.

The spelling of 13380812 in words is "thirteen million, three hundred eighty thousand, eight hundred twelve".

Divisors: 1 2 4 487 974 1948 6869 13738 27476 3345203 6690406 13380812