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12950990 = 251399623
BaseRepresentation
bin110001011001…
…110111001110
3220100222102022
4301121313032
511303412430
61141330142
7215036663
oct61316716
926328368
1012950990
1173462a8
124406952
1328b5b10
141a11a6a
15120c4e5
hexc59dce

12950990 has 16 divisors (see below), whose sum is σ = 25105248. Its totient is φ = 4781856.

The previous prime is 12950947. The next prime is 12951007. The reversal of 12950990 is 9905921.

It is a self number, because there is not a number n which added to its sum of digits gives 12950990.

It is a congruent number.

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, 49682 + ... + 49941.

It is an arithmetic number, because the mean of its divisors is an integer number (1569078).

Almost surely, 212950990 is an apocalyptic number.

12950990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12950990 is a deficient number, since it is larger than the sum of its proper divisors (12154258).

12950990 is a wasteful number, since it uses less digits than its factorization.

12950990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99643.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 12950990 is about 3598.7483935391. The cubic root of 12950990 is about 234.8376122746.

The spelling of 12950990 in words is "twelve million, nine hundred fifty thousand, nine hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 99623 199246 498115 996230 1295099 2590198 6475495 12950990