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12999348 = 2232361093
BaseRepresentation
bin110001100101…
…101010110100
3220110102202100
4301211222310
511311434343
61142342100
7215330655
oct61455264
926412670
1012999348
11737966a
12442a930
132901b2b
141a2552c
15121b9d3
hexc65ab4

12999348 has 18 divisors (see below), whose sum is σ = 32859554. Its totient is φ = 4333104.

The previous prime is 12999331. The next prime is 12999359. The reversal of 12999348 is 84399921.

12999348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11209104 + 1790244 = 3348^2 + 1338^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180511 + ... + 180582.

Almost surely, 212999348 is an apocalyptic number.

12999348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12999348 is an abundant number, since it is smaller than the sum of its proper divisors (19860206).

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

12999348 is a wasteful number, since it uses less digits than its factorization.

12999348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361103 (or 361098 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 12999348 is about 3605.4608581983. The cubic root of 12999348 is about 235.1295377571.

The spelling of 12999348 in words is "twelve million, nine hundred ninety-nine thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 361093 722186 1083279 1444372 2166558 3249837 4333116 6499674 12999348