12326890 has 8 divisors (see below), whose sum is σ = 22188420. Its totient is φ = 4930752.

The previous prime is 12326863. The next prime is 12326891. The reversal of 12326890 is 9862321.

It can be written as a sum of positive squares in 2 ways, for example, as 11716929 + 609961 = 3423^2 + 781^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12326891) 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, 616335 + ... + 616354.

Almost surely, 2^12326890 is an apocalyptic number.

12326890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12326890 is a deficient number, since it is larger than the sum of its proper divisors (9861530).

12326890 is a wasteful number, since it uses less digits than its factorization.

12326890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232696.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12326890 is about 3510.9671032352. The cubic root of 12326890 is about 231.0031170909.

The spelling of 12326890 in words is "twelve million, three hundred twenty-six thousand, eight hundred ninety".