12342490 has 32 divisors (see below), whose sum is σ = 23452416. Its totient is φ = 4667520.

The previous prime is 12342461. The next prime is 12342509. The reversal of 12342490 is 9424321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23430 + ... + 23950.

It is an arithmetic number, because the mean of its divisors is an integer number (732888).

Almost surely, 2^12342490 is an apocalyptic number.

12342490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12342490 is a deficient number, since it is larger than the sum of its proper divisors (11109926).

12342490 is a wasteful number, since it uses less digits than its factorization.

12342490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12342490 is about 3513.1880109097. The cubic root of 12342490 is about 231.1005228308.

The spelling of 12342490 in words is "twelve million, three hundred forty-two thousand, four hundred ninety".