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12388334 = 27884881
BaseRepresentation
bin101111010000…
…011111101110
3212022101121012
4233100133232
511132411314
61121305222
7210204410
oct57203756
925271535
1012388334
116aa15a2
124195212
13274999a
1419069b0
15114a93e
hexbd07ee

12388334 has 8 divisors (see below), whose sum is σ = 21237168. Its totient is φ = 5309280.

The previous prime is 12388309. The next prime is 12388339. The reversal of 12388334 is 43388321.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12388334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12388339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442427 + ... + 442454.

It is an arithmetic number, because the mean of its divisors is an integer number (2654646).

Almost surely, 212388334 is an apocalyptic number.

12388334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12388334 is a deficient number, since it is larger than the sum of its proper divisors (8848834).

12388334 is an equidigital number, since it uses as much as digits as its factorization.

12388334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884890.

The product of its digits is 13824, while the sum is 32.

The square root of 12388334 is about 3519.7065218566. The cubic root of 12388334 is about 231.3862966670.

The spelling of 12388334 in words is "twelve million, three hundred eighty-eight thousand, three hundred thirty-four".

Divisors: 1 2 7 14 884881 1769762 6194167 12388334