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12971294 = 272943743
BaseRepresentation
bin110001011110…
…110100011110
3220102000021022
4301132310132
511310040134
61142004142
7215153120
oct61366436
926360238
1012971294
11735a586
124416652
1328c212b
141a19210
15121352e
hexc5ed1e

12971294 has 32 divisors (see below), whose sum is σ = 23569920. Its totient is φ = 5235552.

The previous prime is 12971279. The next prime is 12971311. The reversal of 12971294 is 49217921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17087 + ... + 17829.

It is an arithmetic number, because the mean of its divisors is an integer number (736560).

Almost surely, 212971294 is an apocalyptic number.

12971294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12971294 is a deficient number, since it is larger than the sum of its proper divisors (10598626).

12971294 is a wasteful number, since it uses less digits than its factorization.

12971294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its digits is 9072, while the sum is 35.

The square root of 12971294 is about 3601.5682695182. The cubic root of 12971294 is about 234.9602709358.

The spelling of 12971294 in words is "twelve million, nine hundred seventy-one thousand, two hundred ninety-four".

Divisors: 1 2 7 14 29 43 58 86 203 301 406 602 743 1247 1486 2494 5201 8729 10402 17458 21547 31949 43094 63898 150829 223643 301658 447286 926521 1853042 6485647 12971294