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13311197 = 101913063
BaseRepresentation
bin110010110001…
…110011011101
3221001021112022
4302301303131
511401424242
61153145525
7221100104
oct62616335
927037468
1013311197
117571999
12455b2a5
1329b0a63
141aa703b
15127e0d2
hexcb1cdd

13311197 has 4 divisors (see below), whose sum is σ = 13325280. Its totient is φ = 13297116.

The previous prime is 13311169. The next prime is 13311217. The reversal of 13311197 is 79111331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13311197 - 218 = 13049053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5513 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (3331320).

Almost surely, 213311197 is an apocalyptic number.

It is an amenable number.

13311197 is a deficient number, since it is larger than the sum of its proper divisors (14083).

13311197 is a wasteful number, since it uses less digits than its factorization.

13311197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14082.

The product of its digits is 567, while the sum is 26.

The square root of 13311197 is about 3648.4513152843. The cubic root of 13311197 is about 236.9949199835.

The spelling of 13311197 in words is "thirteen million, three hundred eleven thousand, one hundred ninety-seven".

Divisors: 1 1019 13063 13311197