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12949274 = 2131729297
BaseRepresentation
bin110001011001…
…011100011010
3220100220001202
4301121130122
511303334044
61141314202
7215031662
oct61313432
926326052
1012949274
117344a88
124405962
1328b50c0
141a111a2
15120bc4e
hexc5971a

12949274 has 16 divisors (see below), whose sum is σ = 22149288. Its totient is φ = 5624832.

The previous prime is 12949273. The next prime is 12949303. The reversal of 12949274 is 47294921.

12949274 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 4 ways, for example, as 11526025 + 1423249 = 3395^2 + 1193^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12949271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14207 + ... + 15090.

Almost surely, 212949274 is an apocalyptic number.

12949274 is a deficient number, since it is larger than the sum of its proper divisors (9200014).

12949274 is a wasteful number, since it uses less digits than its factorization.

12949274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29329.

The product of its digits is 36288, while the sum is 38.

The square root of 12949274 is about 3598.5099694179. The cubic root of 12949274 is about 234.8272398592.

The spelling of 12949274 in words is "twelve million, nine hundred forty-nine thousand, two hundred seventy-four".

Divisors: 1 2 13 17 26 34 221 442 29297 58594 380861 498049 761722 996098 6474637 12949274