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12980298 = 2321110253
BaseRepresentation
bin110001100001…
…000001001010
3220102110121210
4301201001022
511310332143
61142113550
7215221302
oct61410112
926373553
1012980298
117366321
12441b8b6
1328c6266
141a1c602
151216033
hexc6104a

12980298 has 16 divisors (see below), whose sum is σ = 26086176. Its totient is φ = 4305840.

The previous prime is 12980273. The next prime is 12980309. The reversal of 12980298 is 89208921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861 + ... + 6392.

It is an arithmetic number, because the mean of its divisors is an integer number (1630386).

Almost surely, 212980298 is an apocalyptic number.

12980298 is an abundant number, since it is smaller than the sum of its proper divisors (13105878).

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

12980298 is a wasteful number, since it uses less digits than its factorization.

12980298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 12980298 is about 3602.8180636829. The cubic root of 12980298 is about 235.0146241088.

The spelling of 12980298 in words is "twelve million, nine hundred eighty thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 211 422 633 1266 10253 20506 30759 61518 2163383 4326766 6490149 12980298