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12207194 = 221128927
BaseRepresentation
bin101110100100…
…010001011010
3211222012010022
4232210101122
511111112234
61113350442
7205521326
oct56442132
924865108
1012207194
11698849a
124108422
1326b53bc
14189a986
151111e2e
hexba445a

12207194 has 8 divisors (see below), whose sum is σ = 18398208. Its totient is φ = 6074460.

The previous prime is 12207193. The next prime is 12207197. The reversal of 12207194 is 49170221.

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

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (12207191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14042 + ... + 14885.

It is an arithmetic number, because the mean of its divisors is an integer number (2299776).

Almost surely, 212207194 is an apocalyptic number.

12207194 is a deficient number, since it is larger than the sum of its proper divisors (6191014).

12207194 is a wasteful number, since it uses less digits than its factorization.

12207194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29140.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 12207194 is about 3493.8795056498. The cubic root of 12207194 is about 230.2529919371.

The spelling of 12207194 in words is "twelve million, two hundred seven thousand, one hundred ninety-four".

Divisors: 1 2 211 422 28927 57854 6103597 12207194