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12680354 = 224472591
BaseRepresentation
bin110000010111…
…110010100010
3212212020011202
4300113302202
511221232404
61131441202
7212531651
oct60276242
925766152
1012680354
117180a35
1242b6202
13281c88b
141981198
1511a721e
hexc17ca2

12680354 has 8 divisors (see below), whose sum is σ = 19035648. Its totient is φ = 6335140.

The previous prime is 12680341. The next prime is 12680359. The reversal of 12680354 is 45308621.

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

It is not an unprimeable number, because it can be changed into a prime (12680359) 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, 3599 + ... + 6189.

It is an arithmetic number, because the mean of its divisors is an integer number (2379456).

Almost surely, 212680354 is an apocalyptic number.

12680354 is a deficient number, since it is larger than the sum of its proper divisors (6355294).

12680354 is a wasteful number, since it uses less digits than its factorization.

12680354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 12680354 is about 3560.9484691582. The cubic root of 12680354 is about 233.1902882878.

Adding to 12680354 its reverse (45308621), we get a palindrome (57988975).

The spelling of 12680354 in words is "twelve million, six hundred eighty thousand, three hundred fifty-four".

Divisors: 1 2 2447 2591 4894 5182 6340177 12680354