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12470899 = 723292671
BaseRepresentation
bin101111100100…
…101001110011
3212110120212011
4233210221303
511143032044
61123143351
7211000210
oct57445163
925416764
1012470899
117048631
124214b57
13277843c
141928b07
151165134
hexbe4a73

12470899 has 16 divisors (see below), whose sum is σ = 15390720. Its totient is φ = 9868320.

The previous prime is 12470891. The next prime is 12470917. The reversal of 12470899 is 99807421.

It is not a de Polignac number, because 12470899 - 23 = 12470891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12470891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3334 + ... + 6004.

It is an arithmetic number, because the mean of its divisors is an integer number (961920).

Almost surely, 212470899 is an apocalyptic number.

12470899 is a deficient number, since it is larger than the sum of its proper divisors (2919821).

12470899 is a wasteful number, since it uses less digits than its factorization.

12470899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 12470899 is about 3531.4160049476. The cubic root of 12470899 is about 231.8992019018.

The spelling of 12470899 in words is "twelve million, four hundred seventy thousand, eight hundred ninety-nine".

Divisors: 1 7 23 29 161 203 667 2671 4669 18697 61433 77459 430031 542213 1781557 12470899