11802890 has 32 divisors (see below), whose sum is σ = 23569920. Its totient is φ = 4219200.

The previous prime is 11802883. The next prime is 11802899. The reversal of 11802890 is 9820811.

It is not an unprimeable number, because it can be changed into a prime (11802899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5831 + ... + 7589.

It is an arithmetic number, because the mean of its divisors is an integer number (736560).

Almost surely, 2^11802890 is an apocalyptic number.

11802890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11802890 is a deficient number, since it is larger than the sum of its proper divisors (11767030).

11802890 is a wasteful number, since it uses less digits than its factorization.

11802890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 11802890 is about 3435.5334374737. The cubic root of 11802890 is about 227.6823960925.

The spelling of 11802890 in words is "eleven million, eight hundred two thousand, eight hundred ninety".