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12979804 = 223244951
BaseRepresentation
bin110001100000…
…111001011100
3220102102221111
4301200321130
511310323204
61142111404
7215216665
oct61407134
926372844
1012979804
117365a12
12441b564
1328c5c76
141a1c36c
151215d04
hexc60e5c

12979804 has 6 divisors (see below), whose sum is σ = 22714664. Its totient is φ = 6489900.

The previous prime is 12979801. The next prime is 12979819. The reversal of 12979804 is 40897921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12979801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622472 + ... + 1622479.

Almost surely, 212979804 is an apocalyptic number.

It is an amenable number.

12979804 is a deficient number, since it is larger than the sum of its proper divisors (9734860).

12979804 is a wasteful number, since it uses less digits than its factorization.

12979804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244955 (or 3244953 counting only the distinct ones).

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

The square root of 12979804 is about 3602.7495055860. The cubic root of 12979804 is about 235.0116427007.

The spelling of 12979804 in words is "twelve million, nine hundred seventy-nine thousand, eight hundred four".

Divisors: 1 2 4 3244951 6489902 12979804