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12290702 = 26145351
BaseRepresentation
bin101110111000…
…101010001110
3212010102200012
4232320222032
511121300302
61115233222
7206316644
oct56705216
925112605
1012290702
116a35206
124148812
132714408
1418bd194
15112ba52
hexbb8a8e

12290702 has 4 divisors (see below), whose sum is σ = 18436056. Its totient is φ = 6145350.

The previous prime is 12290687. The next prime is 12290713. The reversal of 12290702 is 20709221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×122907022 = 302122711305608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3072674 + ... + 3072677.

It is an arithmetic number, because the mean of its divisors is an integer number (4609014).

Almost surely, 212290702 is an apocalyptic number.

12290702 is a deficient number, since it is larger than the sum of its proper divisors (6145354).

12290702 is an equidigital number, since it uses as much as digits as its factorization.

12290702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145353.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 12290702 is about 3505.8097495443. The cubic root of 12290702 is about 230.7768438913.

Adding to 12290702 its reverse (20709221), we get a palindrome (32999923).

The spelling of 12290702 in words is "twelve million, two hundred ninety thousand, seven hundred two".

Divisors: 1 2 6145351 12290702