12346380 has 72 divisors (see below), whose sum is σ = 37844352. Its totient is φ = 3257856.

The previous prime is 12346363. The next prime is 12346387. The reversal of 12346380 is 8364321.

It is a happy number.

12346380 is a `hidden beast` number, since 1 + 23 + 4 + 638 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (12346387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20037 + ... + 20643.

It is an arithmetic number, because the mean of its divisors is an integer number (525616).

Almost surely, 2^12346380 is an apocalyptic number.

12346380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12346380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18922176).

12346380 is an abundant number, since it is smaller than the sum of its proper divisors (25497972).

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

12346380 is a wasteful number, since it uses less digits than its factorization.

12346380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12346380 is about 3513.7415955076. The cubic root of 12346380 is about 231.1247990400.

The spelling of 12346380 in words is "twelve million, three hundred forty-six thousand, three hundred eighty".