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12470831 is a prime number
BaseRepresentation
bin101111100100…
…101000101111
3212110120202122
4233210220233
511143031311
61123143155
7211000052
oct57445057
925416678
1012470831
11704857a
124214abb
1327783b9
141928a99
1511650db
hexbe4a2f

12470831 has 2 divisors, whose sum is σ = 12470832. Its totient is φ = 12470830.

The previous prime is 12470803. The next prime is 12470851. The reversal of 12470831 is 13807421.

It is a strong prime.

It is an emirp because it is prime and its reverse (13807421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12470831 is a prime.

It is a super-2 number, since 2×124708312 = 311043251661122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12470831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12470851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6235415 + 6235416.

It is an arithmetic number, because the mean of its divisors is an integer number (6235416).

Almost surely, 212470831 is an apocalyptic number.

12470831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12470831 is an equidigital number, since it uses as much as digits as its factorization.

12470831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12470831 is about 3531.4063770685. The cubic root of 12470831 is about 231.8987804092.

The spelling of 12470831 in words is "twelve million, four hundred seventy thousand, eight hundred thirty-one".