11801290 has 16 divisors (see below), whose sum is σ = 21282912. Its totient is φ = 4711504.

The previous prime is 11801287. The next prime is 11801303. The reversal of 11801290 is 9210811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7557 + ... + 8983.

It is an arithmetic number, because the mean of its divisors is an integer number (1330182).

Almost surely, 2^11801290 is an apocalyptic number.

11801290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11801290 is a deficient number, since it is larger than the sum of its proper divisors (9481622).

11801290 is a wasteful number, since it uses less digits than its factorization.

11801290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 11801290 is about 3435.3005690914. The cubic root of 11801290 is about 227.6721074176.

The spelling of 11801290 in words is "eleven million, eight hundred one thousand, two hundred ninety".