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12353293 = 53613821
BaseRepresentation
bin101111000111…
…111100001101
3212020121112101
4233013330031
511130301133
61120435101
7210000301
oct57077415
925217471
1012353293
116a78237
124178a91
132736a54
1418d7d01
15114037d
hexbc7f0d

12353293 has 8 divisors (see below), whose sum is σ = 12796056. Its totient is φ = 11918400.

The previous prime is 12353291. The next prime is 12353311. The reversal of 12353293 is 39235321.

It can be written as a sum of positive squares in 4 ways, for example, as 2196324 + 10156969 = 1482^2 + 3187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12353293 - 21 = 12353291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12353291) 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, 1323 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (1599507).

Almost surely, 212353293 is an apocalyptic number.

It is an amenable number.

12353293 is a deficient number, since it is larger than the sum of its proper divisors (442763).

12353293 is an equidigital number, since it uses as much as digits as its factorization.

12353293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935.

The product of its digits is 4860, while the sum is 28.

The square root of 12353293 is about 3514.7251670650. The cubic root of 12353293 is about 231.1679282169.

The spelling of 12353293 in words is "twelve million, three hundred fifty-three thousand, two hundred ninety-three".

Divisors: 1 53 61 3233 3821 202513 233081 12353293