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12702913 is a prime number
BaseRepresentation
bin110000011101…
…010011000001
3212220101010021
4300131103001
511222443123
61132133441
7212654506
oct60352301
925811107
1012702913
117196983
124307281
132829c22
1419894ad
1511adc5d
hexc1d4c1

12702913 has 2 divisors, whose sum is σ = 12702914. Its totient is φ = 12702912.

The previous prime is 12702883. The next prime is 12702919. The reversal of 12702913 is 31920721.

12702913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10036224 + 2666689 = 3168^2 + 1633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12702913 is a prime.

It is a super-2 number, since 2×127029132 = 322727997371138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12702919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6351456 + 6351457.

It is an arithmetic number, because the mean of its divisors is an integer number (6351457).

Almost surely, 212702913 is an apocalyptic number.

It is an amenable number.

12702913 is a deficient number, since it is larger than the sum of its proper divisors (1).

12702913 is an equidigital number, since it uses as much as digits as its factorization.

12702913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12702913 is about 3564.1146165633. The cubic root of 12702913 is about 233.3284921898.

The spelling of 12702913 in words is "twelve million, seven hundred two thousand, nine hundred thirteen".