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12169069 = 111106279
BaseRepresentation
bin101110011010…
…111101101101
3211220020211021
4232122331231
511103402234
61112454141
7205302223
oct56327555
924806737
1012169069
116961890
1240aa351
1326a0c43
14188ab13
1511059b4
hexb9af6d

12169069 has 4 divisors (see below), whose sum is σ = 13275360. Its totient is φ = 11062780.

The previous prime is 12169061. The next prime is 12169103. The reversal of 12169069 is 96096121.

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 12169069 - 23 = 12169061 is a prime.

It is a super-2 number, since 2×121690692 = 296172480653522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12169061) 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, 553129 + ... + 553150.

It is an arithmetic number, because the mean of its divisors is an integer number (3318840).

Almost surely, 212169069 is an apocalyptic number.

It is an amenable number.

12169069 is a deficient number, since it is larger than the sum of its proper divisors (1106291).

12169069 is a wasteful number, since it uses less digits than its factorization.

12169069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106290.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 12169069 is about 3488.4192695260. The cubic root of 12169069 is about 230.0130364381.

The spelling of 12169069 in words is "twelve million, one hundred sixty-nine thousand, sixty-nine".

Divisors: 1 11 1106279 12169069