12661362 has 96 divisors (see below), whose sum is σ = 34774272. Its totient is φ = 3244032.

The previous prime is 12661357. The next prime is 12661373. The reversal of 12661362 is 26316621.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49138 + ... + 49394.

It is an arithmetic number, because the mean of its divisors is an integer number (362232).

Almost surely, 2^12661362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12661362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17387136).

12661362 is an abundant number, since it is smaller than the sum of its proper divisors (22112910).

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

12661362 is a wasteful number, since it uses less digits than its factorization.

12661362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12661362 is about 3558.2807646390. The cubic root of 12661362 is about 233.0738098664.

Adding to 12661362 its reverse (26316621), we get a palindrome (38977983).

It can be divided in two parts, 1266 and 1362, that added together give a triangular number (2628 = T₇₂).

The spelling of 12661362 in words is "twelve million, six hundred sixty-one thousand, three hundred sixty-two".