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12259013 = 135571693
BaseRepresentation
bin101110110000…
…111011000101
3212001211012112
4232300323011
511114242023
61114430405
7206125364
oct56607305
925054175
1012259013
116a13418
124132405
132702b70
1418b17db
151122478
hexbb0ec5

12259013 has 8 divisors (see below), whose sum is σ = 13233528. Its totient is φ = 11289024.

The previous prime is 12259003. The next prime is 12259019. The reversal of 12259013 is 31095221.

It can be written as a sum of positive squares in 4 ways, for example, as 134689 + 12124324 = 367^2 + 3482^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12259013 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12259013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12259019) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6395 + ... + 8087.

It is an arithmetic number, because the mean of its divisors is an integer number (1654191).

Almost surely, 212259013 is an apocalyptic number.

12259013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12259013 is a deficient number, since it is larger than the sum of its proper divisors (974515).

12259013 is a wasteful number, since it uses less digits than its factorization.

12259013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 12259013 is about 3501.2873346813. The cubic root of 12259013 is about 230.5783366101.

The spelling of 12259013 in words is "twelve million, two hundred fifty-nine thousand, thirteen".

Divisors: 1 13 557 1693 7241 22009 943001 12259013