12390342 has 16 divisors (see below), whose sum is σ = 24900672. Its totient is φ = 4110120.

The previous prime is 12390317. The next prime is 12390347. The reversal of 12390342 is 24309321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12390347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3628 + ... + 6159.

It is an arithmetic number, because the mean of its divisors is an integer number (1556292).

Almost surely, 2^12390342 is an apocalyptic number.

12390342 is an abundant number, since it is smaller than the sum of its proper divisors (12510330).

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

12390342 is a wasteful number, since it uses less digits than its factorization.

12390342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 12390342 is about 3519.9917613540. The cubic root of 12390342 is about 231.3987976372.

Adding to 12390342 its reverse (24309321), we get a palindrome (36699663).

The spelling of 12390342 in words is "twelve million, three hundred ninety thousand, three hundred forty-two".