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12354 = 232971

12354 has 16 divisors (see below), whose sum is σ = 25920. Its totient is φ = 3920.

The previous prime is 12347. The next prime is 12373. The reversal of 12354 is 45321.

It is a Curzon number.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139 + ... + 209.

It is an arithmetic number, because the mean of its divisors is an integer number (1620).

212354 is an apocalyptic number.

12354 is an abundant number, since it is smaller than the sum of its proper divisors (13566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12960).

12354 is a wasteful number, since it uses less digits than its factorization.

12354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105.

The product of its digits is 120, while the sum is 15.

The square root of 12354 is about 111.1485492483. The cubic root of 12354 is about 23.1172338178.

Adding to 12354 its reverse (45321), we get a palindrome (57675).

The spelling of 12354 in words is "twelve thousand, three hundred fifty-four".

Divisors: 1 2 3 6 29 58 71 87 142 174 213 426 2059 4118 6177 12354