12380718 has 64 divisors (see below), whose sum is σ = 30117888. Its totient is φ = 3317760.

The previous prime is 12380717. The next prime is 12380759. The reversal of 12380718 is 81708321.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48046 + ... + 48302.

It is an arithmetic number, because the mean of its divisors is an integer number (470592).

Almost surely, 2^12380718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12380718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15058944).

12380718 is an abundant number, since it is smaller than the sum of its proper divisors (17737170).

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

12380718 is a wasteful number, since it uses less digits than its factorization.

12380718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 12380718 is about 3518.6244471384. The cubic root of 12380718 is about 231.3388703469.

The spelling of 12380718 in words is "twelve million, three hundred eighty thousand, seven hundred eighteen".