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12390496 = 25387203
BaseRepresentation
bin101111010001…
…000001100000
3212022111120021
4233101001200
511132443441
61121323224
7210213616
oct57210140
925274507
1012390496
116aa3188
124196514
13274a971
1419076b6
15114b3d1
hexbd1060

12390496 has 12 divisors (see below), whose sum is σ = 24393852. Its totient is φ = 6195232.

The previous prime is 12390463. The next prime is 12390517. The reversal of 12390496 is 69409321.

It is a super-2 number, since 2×123904962 = 307048782252032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193570 + ... + 193633.

It is an arithmetic number, because the mean of its divisors is an integer number (2032821).

Almost surely, 212390496 is an apocalyptic number.

12390496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12390496 is a deficient number, since it is larger than the sum of its proper divisors (12003356).

12390496 is an equidigital number, since it uses as much as digits as its factorization.

12390496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387213 (or 387205 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 12390496 is about 3520.0136363372. The cubic root of 12390496 is about 231.3997563212.

The spelling of 12390496 in words is "twelve million, three hundred ninety thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 32 387203 774406 1548812 3097624 6195248 12390496