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12402713 is a prime number
BaseRepresentation
bin101111010100…
…000000011001
3212100010022202
4233110000121
511133341323
61121455545
7210264341
oct57240031
925303282
1012402713
117001384
1241a15b5
1327533ab
14190bd21
15114ed28
hexbd4019

12402713 has 2 divisors, whose sum is σ = 12402714. Its totient is φ = 12402712.

The previous prime is 12402679. The next prime is 12402737. The reversal of 12402713 is 31720421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10067929 + 2334784 = 3173^2 + 1528^2 .

It is an emirp because it is prime and its reverse (31720421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12402713 - 28 = 12402457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12402743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201356 + 6201357.

It is an arithmetic number, because the mean of its divisors is an integer number (6201357).

Almost surely, 212402713 is an apocalyptic number.

It is an amenable number.

12402713 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402713 is an equidigital number, since it uses as much as digits as its factorization.

12402713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12402713 is about 3521.7485713776. The cubic root of 12402713 is about 231.4757845445.

The spelling of 12402713 in words is "twelve million, four hundred two thousand, seven hundred thirteen".