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12914930 = 257226357
BaseRepresentation
bin110001010001…
…000011110010
3220022010221202
4301101003302
511301234210
61140451202
7214526600
oct61210362
926263852
1012914930
1173211a6
1243a9b02
1328a2592
141a02870
1512019a5
hexc510f2

12914930 has 24 divisors (see below), whose sum is σ = 27043308. Its totient is φ = 4427808.

The previous prime is 12914929. The next prime is 12914953. The reversal of 12914930 is 3941921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12694969 + 219961 = 3563^2 + 469^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12914893 and 12914902.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12689 + ... + 13668.

Almost surely, 212914930 is an apocalyptic number.

12914930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12914930 is an abundant number, since it is smaller than the sum of its proper divisors (14128378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12914930 is a wasteful number, since it uses less digits than its factorization.

12914930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26378 (or 26371 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 12914930 is about 3593.7348260549. The cubic root of 12914930 is about 234.6194535089.

The spelling of 12914930 in words is "twelve million, nine hundred fourteen thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 26357 52714 131785 184499 263570 368998 922495 1291493 1844990 2582986 6457465 12914930