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13088212 = 223272053
BaseRepresentation
bin110001111011…
…010111010100
3220121221122121
4301323113110
511322310322
61144305324
7216151024
oct61732724
926557577
1013088212
11742a405
124472244
132933407
141a49a84
151237ec7
hexc7b5d4

13088212 has 6 divisors (see below), whose sum is σ = 22904378. Its totient is φ = 6544104.

The previous prime is 13088209. The next prime is 13088213. The reversal of 13088212 is 21288031.

It can be written as a sum of positive squares in only one way, i.e., 7862416 + 5225796 = 2804^2 + 2286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13088213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636023 + ... + 1636030.

Almost surely, 213088212 is an apocalyptic number.

It is an amenable number.

13088212 is a deficient number, since it is larger than the sum of its proper divisors (9816166).

13088212 is a wasteful number, since it uses less digits than its factorization.

13088212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272057 (or 3272055 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 13088212 is about 3617.7633974598. The cubic root of 13088212 is about 235.6641060878.

The spelling of 13088212 in words is "thirteen million, eighty-eight thousand, two hundred twelve".

Divisors: 1 2 4 3272053 6544106 13088212