12349490 has 16 divisors (see below), whose sum is σ = 22830552. Its totient is φ = 4806144.

The previous prime is 12349489. The next prime is 12349523. The reversal of 12349490 is 9494321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12187081 + 162409 = 3491^2 + 403^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16319 + ... + 17058.

Almost surely, 2^12349490 is an apocalyptic number.

12349490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12349490 is a deficient number, since it is larger than the sum of its proper divisors (10481062).

12349490 is a wasteful number, since it uses less digits than its factorization.

12349490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33421.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 12349490 is about 3514.1841158368. The cubic root of 12349490 is about 231.1442038582.

The spelling of 12349490 in words is "twelve million, three hundred forty-nine thousand, four hundred ninety".