12203490 has 96 divisors (see below), whose sum is σ = 33203520. Its totient is φ = 2865408.

The previous prime is 12203489. The next prime is 12203507. The reversal of 12203490 is 9430221.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 146989 + ... + 147071.

It is an arithmetic number, because the mean of its divisors is an integer number (345870).

Almost surely, 2^12203490 is an apocalyptic number.

12203490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12203490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16601760).

12203490 is an abundant number, since it is smaller than the sum of its proper divisors (21000030).

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

12203490 is a wasteful number, since it uses less digits than its factorization.

12203490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12203490 is about 3493.3493956374. The cubic root of 12203490 is about 230.2297012077.

The spelling of 12203490 in words is "twelve million, two hundred three thousand, four hundred ninety".