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12253823 = 139199443
BaseRepresentation
bin101110101111…
…101001111111
3212001120002022
4232233221333
511114110243
61114350355
7206104301
oct56575177
925046068
1012253823
116a0a52a
12412b3bb
1327006aa
1418ad971
151120b68
hexbafa7f

12253823 has 8 divisors (see below), whose sum is σ = 12432000. Its totient is φ = 12077208.

The previous prime is 12253817. The next prime is 12253837. The reversal of 12253823 is 32835221.

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 12253823 - 214 = 12237439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12253792 and 12253801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253873) 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, 27440 + ... + 27882.

It is an arithmetic number, because the mean of its divisors is an integer number (1554000).

Almost surely, 212253823 is an apocalyptic number.

12253823 is a deficient number, since it is larger than the sum of its proper divisors (178177).

12253823 is a wasteful number, since it uses less digits than its factorization.

12253823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781.

The product of its digits is 2880, while the sum is 26.

The square root of 12253823 is about 3500.5461002535. The cubic root of 12253823 is about 230.5457926501.

The spelling of 12253823 in words is "twelve million, two hundred fifty-three thousand, eight hundred twenty-three".

Divisors: 1 139 199 443 27661 61577 88157 12253823