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12702137 = 73749043
BaseRepresentation
bin110000011101…
…000110111001
3212220100001112
4300131012321
511222432022
61132130105
7212652320
oct60350671
925810045
1012702137
117196338
124306935
132829776
1419890b7
1511ad8e2
hexc1d1b9

12702137 has 8 divisors (see below), whose sum is σ = 14909376. Its totient is φ = 10593072.

The previous prime is 12702121. The next prime is 12702143. The reversal of 12702137 is 73120721.

12702137 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12702137 - 24 = 12702121 is a prime.

It is a super-2 number, since 2×127021372 = 322688568733538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12702167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24263 + ... + 24780.

It is an arithmetic number, because the mean of its divisors is an integer number (1863672).

Almost surely, 212702137 is an apocalyptic number.

It is an amenable number.

12702137 is a deficient number, since it is larger than the sum of its proper divisors (2207239).

12702137 is an equidigital number, since it uses as much as digits as its factorization.

12702137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49087.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 12702137 is about 3564.0057519594. The cubic root of 12702137 is about 233.3237408755.

Adding to 12702137 its reverse (73120721), we get a palindrome (85822858).

The spelling of 12702137 in words is "twelve million, seven hundred two thousand, one hundred thirty-seven".

Divisors: 1 7 37 259 49043 343301 1814591 12702137