11766490 has 16 divisors (see below), whose sum is σ = 21218760. Its totient is φ = 4697920.

The previous prime is 11766487. The next prime is 11766493. The reversal of 11766490 is 9466711.

It is an interprime number because it is at equal distance from previous prime (11766487) and next prime (11766493).

It can be written as a sum of positive squares in 4 ways, for example, as 6744409 + 5022081 = 2597^2 + 2241^2 .

It is not an unprimeable number, because it can be changed into a prime (11766493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10056 + ... + 11164.

Almost surely, 2^11766490 is an apocalyptic number.

11766490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11766490 is a deficient number, since it is larger than the sum of its proper divisors (9452270).

11766490 is a wasteful number, since it uses less digits than its factorization.

11766490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 11766490 is about 3430.2317705951. The cubic root of 11766490 is about 227.4480982917.

The spelling of 11766490 in words is "eleven million, seven hundred sixty-six thousand, four hundred ninety".