11806490 has 16 divisors (see below), whose sum is σ = 21612960. Its totient is φ = 4642320.

The previous prime is 11806481. The next prime is 11806499. The reversal of 11806490 is 9460811.

It is an interprime number because it is at equal distance from previous prime (11806481) and next prime (11806499).

It is a super-2 number, since 2×11806490² = 278786412240200, which contains 22 as substring.

11806490 is a modest number, since divided by 6490 gives 1180 as remainder.

It is not an unprimeable number, because it can be changed into a prime (11806499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9416 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (1350810).

Almost surely, 2^11806490 is an apocalyptic number.

11806490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11806490 is a deficient number, since it is larger than the sum of its proper divisors (9806470).

11806490 is a wasteful number, since it uses less digits than its factorization.

11806490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20077.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 11806490 is about 3436.0573336311. The cubic root of 11806490 is about 227.7055422120.

The spelling of 11806490 in words is "eleven million, eight hundred six thousand, four hundred ninety".