12206990 has 8 divisors (see below), whose sum is σ = 21972600. Its totient is φ = 4882792.

The previous prime is 12206989. The next prime is 12206993. The reversal of 12206990 is 9960221.

12206990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206993) 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, 610340 + ... + 610359.

It is an arithmetic number, because the mean of its divisors is an integer number (2746575).

Almost surely, 2^12206990 is an apocalyptic number.

12206990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12206990 is a deficient number, since it is larger than the sum of its proper divisors (9765610).

12206990 is a wasteful number, since it uses less digits than its factorization.

12206990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220706.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 12206990 is about 3493.8503116190. The cubic root of 12206990 is about 230.2517093089.

The spelling of 12206990 in words is "twelve million, two hundred six thousand, nine hundred ninety".