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13226975 = 524711257
BaseRepresentation
bin110010011101…
…001111011111
3220212222222222
4302131033133
511341230400
61151255555
7220266416
oct62351737
926788888
1013226975
117514693
12451a5bb
132981618
141a8447d
151264185
hexc9d3df

13226975 has 12 divisors (see below), whose sum is σ = 16751904. Its totient is φ = 10355520.

The previous prime is 13226921. The next prime is 13227023. The reversal of 13226975 is 57962231.

It is not a de Polignac number, because 13226975 - 222 = 9032671 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4454 + ... + 6803.

It is an arithmetic number, because the mean of its divisors is an integer number (1395992).

Almost surely, 213226975 is an apocalyptic number.

13226975 is a deficient number, since it is larger than the sum of its proper divisors (3524929).

13226975 is a wasteful number, since it uses less digits than its factorization.

13226975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11314 (or 11309 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 13226975 is about 3636.8908424642. The cubic root of 13226975 is about 236.4940275941.

The spelling of 13226975 in words is "thirteen million, two hundred twenty-six thousand, nine hundred seventy-five".

Divisors: 1 5 25 47 235 1175 11257 56285 281425 529079 2645395 13226975