11206990 has 16 divisors (see below), whose sum is σ = 20265552. Its totient is φ = 4462144.

The previous prime is 11206973. The next prime is 11206997. The reversal of 11206990 is 9960211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11206997) 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, 199 + ... + 4738.

It is an arithmetic number, because the mean of its divisors is an integer number (1266597).

Almost surely, 2^11206990 is an apocalyptic number.

11206990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11206990 is a deficient number, since it is larger than the sum of its proper divisors (9058562).

11206990 is a wasteful number, since it uses less digits than its factorization.

11206990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 11206990 is about 3347.6842742409. The cubic root of 11206990 is about 223.7843241871.

The spelling of 11206990 in words is "eleven million, two hundred six thousand, nine hundred ninety".