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12530667 = 333112619
BaseRepresentation
bin101111110011…
…001111101011
3212120121211210
4233303033223
511201440132
61124324203
7211336362
oct57631753
925517753
1012530667
117089526
124243663
1327996c6
1419427d9
151177bcc
hexbf33eb

12530667 has 8 divisors (see below), whose sum is σ = 16759360. Its totient is φ = 8327880.

The previous prime is 12530659. The next prime is 12530677. The reversal of 12530667 is 76603521.

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

It is not a de Polignac number, because 12530667 - 23 = 12530659 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12530647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5317 + ... + 7302.

It is an arithmetic number, because the mean of its divisors is an integer number (2094920).

Almost surely, 212530667 is an apocalyptic number.

12530667 is a deficient number, since it is larger than the sum of its proper divisors (4228693).

12530667 is a wasteful number, since it uses less digits than its factorization.

12530667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12953.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 12530667 is about 3539.8682178861. The cubic root of 12530667 is about 232.2690781559.

The spelling of 12530667 in words is "twelve million, five hundred thirty thousand, six hundred sixty-seven".

Divisors: 1 3 331 993 12619 37857 4176889 12530667