12990350 has 24 divisors (see below), whose sum is σ = 24499920. Its totient is φ = 5123520.

The previous prime is 12990323. The next prime is 12990361. The reversal of 12990350 is 5309921.

12990350 is nontrivially palindromic in base 7 and base 9.

It is a super-3 number, since 3×12990350³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 1871 + ... + 5429.

It is an arithmetic number, because the mean of its divisors is an integer number (1020830).

Almost surely, 2^12990350 is an apocalyptic number.

12990350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12990350 is a deficient number, since it is larger than the sum of its proper divisors (11509570).

12990350 is a wasteful number, since it uses less digits than its factorization.

12990350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644 (or 3639 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 12990350 is about 3604.2128128067. The cubic root of 12990350 is about 235.0752739093.

The spelling of 12990350 in words is "twelve million, nine hundred ninety thousand, three hundred fifty".