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12953275 = 52518131
BaseRepresentation
bin110001011010…
…011010111011
3220101002112221
4301122122323
511304001100
61141344511
7215046436
oct61323273
926332487
1012953275
117347a95
124408137
1328b6b7a
141a1281d
15120d01a
hexc5a6bb

12953275 has 6 divisors (see below), whose sum is σ = 16062092. Its totient is φ = 10362600.

The previous prime is 12953263. The next prime is 12953279. The reversal of 12953275 is 57235921.

It is not a de Polignac number, because 12953275 - 25 = 12953243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12953275.

It is not an unprimeable number, because it can be changed into a prime (12953279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259041 + ... + 259090.

Almost surely, 212953275 is an apocalyptic number.

12953275 is a deficient number, since it is larger than the sum of its proper divisors (3108817).

12953275 is an equidigital number, since it uses as much as digits as its factorization.

12953275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518141 (or 518136 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 12953275 is about 3599.0658510230. The cubic root of 12953275 is about 234.8514226059.

The spelling of 12953275 in words is "twelve million, nine hundred fifty-three thousand, two hundred seventy-five".

Divisors: 1 5 25 518131 2590655 12953275