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12418901 = 113133607
BaseRepresentation
bin101111010111…
…111101010101
3212100221112022
4233113331111
511134401101
61122102525
7210362465
oct57277525
925327468
1012418901
117012560
1241aaa45
13275a881
141913ba5
151154a1b
hexbd7f55

12418901 has 8 divisors (see below), whose sum is σ = 13594944. Its totient is φ = 11250720.

The previous prime is 12418897. The next prime is 12418921. The reversal of 12418901 is 10981421.

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 12418901 - 22 = 12418897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12418921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640 + ... + 5246.

It is an arithmetic number, because the mean of its divisors is an integer number (1699368).

Almost surely, 212418901 is an apocalyptic number.

12418901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12418901 is a deficient number, since it is larger than the sum of its proper divisors (1176043).

12418901 is a wasteful number, since it uses less digits than its factorization.

12418901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 12418901 is about 3524.0461120706. The cubic root of 12418901 is about 231.5764480292.

The spelling of 12418901 in words is "twelve million, four hundred eighteen thousand, nine hundred one".

Divisors: 1 11 313 3443 3607 39677 1128991 12418901