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12999464 = 231624933
BaseRepresentation
bin110001100101…
…101100101000
3220110102220122
4301211230220
511311440324
61142342412
7215331212
oct61455450
926412818
1012999464
117379765
12442aa08
132901bba
141a255b2
15121ba5e
hexc65b28

12999464 has 8 divisors (see below), whose sum is σ = 24374010. Its totient is φ = 6499728.

The previous prime is 12999463. The next prime is 12999473. The reversal of 12999464 is 46499921.

It can be written as a sum of positive squares in only one way, i.e., 9351364 + 3648100 = 3058^2 + 1910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12999463) 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, 812459 + ... + 812474.

Almost surely, 212999464 is an apocalyptic number.

It is an amenable number.

12999464 is a deficient number, since it is larger than the sum of its proper divisors (11374546).

12999464 is a wasteful number, since it uses less digits than its factorization.

12999464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624939 (or 1624935 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 12999464 is about 3605.4769448715. The cubic root of 12999464 is about 235.1302371497.

The spelling of 12999464 in words is "twelve million, nine hundred ninety-nine thousand, four hundred sixty-four".

Divisors: 1 2 4 8 1624933 3249866 6499732 12999464