11801684 has 6 divisors (see below), whose sum is σ = 20652954. Its totient is φ = 5900840.

The previous prime is 11801663. The next prime is 11801693. The reversal of 11801684 is 48610811.

It can be written as a sum of positive squares in only one way, i.e., 6864400 + 4937284 = 2620^2 + 2222^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1475207 + ... + 1475214.

It is an arithmetic number, because the mean of its divisors is an integer number (3442159).

Almost surely, 2^11801684 is an apocalyptic number.

It is an amenable number.

11801684 is a deficient number, since it is larger than the sum of its proper divisors (8851270).

11801684 is a wasteful number, since it uses less digits than its factorization.

11801684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950425 (or 2950423 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 11801684 is about 3435.3579143955. The cubic root of 11801684 is about 227.6746410901.

The spelling of 11801684 in words is "eleven million, eight hundred one thousand, six hundred eighty-four".