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12420214 = 221132939
BaseRepresentation
bin101111011000…
…010001110110
3212101000022221
4233120101312
511134421324
61122112554
7210366352
oct57302166
925330287
1012420214
117013544
1241ab75a
13275b351
141914462
1511550e4
hexbd8476

12420214 has 8 divisors (see below), whose sum is σ = 18645480. Its totient is φ = 6205056.

The previous prime is 12420211. The next prime is 12420227. The reversal of 12420214 is 41202421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2757 + ... + 5695.

It is an arithmetic number, because the mean of its divisors is an integer number (2330685).

Almost surely, 212420214 is an apocalyptic number.

12420214 is a deficient number, since it is larger than the sum of its proper divisors (6225266).

12420214 is a wasteful number, since it uses less digits than its factorization.

12420214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 12420214 is about 3524.2323986934. The cubic root of 12420214 is about 231.5846089543.

Adding to 12420214 its reverse (41202421), we get a palindrome (53622635).

The spelling of 12420214 in words is "twelve million, four hundred twenty thousand, two hundred fourteen".

Divisors: 1 2 2113 2939 4226 5878 6210107 12420214