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12117077 = 72297559
BaseRepresentation
bin101110001110…
…010001010101
3211210121111122
4232032101111
511100221302
61111413325
7204664520
oct56162125
924717448
1012117077
116926815
124084245
13268338b
141875bb7
1510e53a2
hexb8e455

12117077 has 8 divisors (see below), whose sum is σ = 13910400. Its totient is φ = 10339344.

The previous prime is 12117059. The next prime is 12117121. The reversal of 12117077 is 77071121.

12117077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12117077 - 28 = 12116821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2177 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (1738800).

Almost surely, 212117077 is an apocalyptic number.

It is an amenable number.

12117077 is a deficient number, since it is larger than the sum of its proper divisors (1793323).

12117077 is an equidigital number, since it uses as much as digits as its factorization.

12117077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7795.

The product of its (nonzero) digits is 686, while the sum is 26.

The square root of 12117077 is about 3480.9592068854. The cubic root of 12117077 is about 229.6849940986.

Adding to 12117077 its reverse (77071121), we get a palindrome (89188198).

The spelling of 12117077 in words is "twelve million, one hundred seventeen thousand, seventy-seven".

Divisors: 1 7 229 1603 7559 52913 1731011 12117077