12387022 has 8 divisors (see below), whose sum is σ = 18695016. Its totient is φ = 6155352.

The previous prime is 12387019. The next prime is 12387029. The reversal of 12387022 is 22078321.

12387022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12387029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18673 + ... + 19324.

It is an arithmetic number, because the mean of its divisors is an integer number (2336877).

Almost surely, 2^12387022 is an apocalyptic number.

12387022 is a deficient number, since it is larger than the sum of its proper divisors (6307994).

12387022 is a wasteful number, since it uses less digits than its factorization.

12387022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38162.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12387022 is about 3519.5201377461. The cubic root of 12387022 is about 231.3781279728.

The spelling of 12387022 in words is "twelve million, three hundred eighty-seven thousand, twenty-two".