11454890 has 16 divisors (see below), whose sum is σ = 21008808. Its totient is φ = 4495296.

The previous prime is 11454881. The next prime is 11454893. The reversal of 11454890 is 9845411.

It can be written as a sum of positive squares in 4 ways, for example, as 11444689 + 10201 = 3383^2 + 101^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11454893) 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, 10277 + ... + 11336.

Almost surely, 2^11454890 is an apocalyptic number.

11454890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11454890 is a deficient number, since it is larger than the sum of its proper divisors (9553918).

11454890 is a wasteful number, since it uses less digits than its factorization.

11454890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21673.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 11454890 is about 3384.5073496744. The cubic root of 11454890 is about 225.4223507362.

The spelling of 11454890 in words is "eleven million, four hundred fifty-four thousand, eight hundred ninety".