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12698013 = 313193209
BaseRepresentation
bin110000011100…
…000110011101
3212220010101210
4300130012131
511222314023
61132055033
7212634306
oct60340635
925803353
1012698013
117193229
124304479
132827923
1419877ad
1511ac593
hexc1c19d

12698013 has 8 divisors (see below), whose sum is σ = 16948800. Its totient is φ = 8456288.

The previous prime is 12698009. The next prime is 12698017. The reversal of 12698013 is 31089621.

12698013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12698009) and next prime (12698017).

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

It is a cyclic number.

It is not a de Polignac number, because 12698013 - 22 = 12698009 is a prime.

It is a super-2 number, since 2×126980132 = 322479068296338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12698017) 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 7 ways as a sum of consecutive naturals, for example, 2353 + ... + 5561.

It is an arithmetic number, because the mean of its divisors is an integer number (2118600).

Almost surely, 212698013 is an apocalyptic number.

It is an amenable number.

12698013 is a deficient number, since it is larger than the sum of its proper divisors (4250787).

12698013 is a wasteful number, since it uses less digits than its factorization.

12698013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12698013 is about 3563.4271425132. The cubic root of 12698013 is about 233.2984870865.

The spelling of 12698013 in words is "twelve million, six hundred ninety-eight thousand, thirteen".

Divisors: 1 3 1319 3209 3957 9627 4232671 12698013