12244990 has 16 divisors (see below), whose sum is σ = 22308048. Its totient is φ = 4838656.

The previous prime is 12244909. The next prime is 12244997. The reversal of 12244990 is 9944221.

It is a happy number.

It is a super-3 number, since 3×12244990³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244997) 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, 6547 + ... + 8206.

It is an arithmetic number, because the mean of its divisors is an integer number (1394253).

Almost surely, 2^12244990 is an apocalyptic number.

12244990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12244990 is a deficient number, since it is larger than the sum of its proper divisors (10063058).

12244990 is a wasteful number, since it uses less digits than its factorization.

12244990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14843.

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

The square root of 12244990 is about 3499.2842125212. The cubic root of 12244990 is about 230.4903840785.

The spelling of 12244990 in words is "twelve million, two hundred forty-four thousand, nine hundred ninety".