11801212 has 12 divisors (see below), whose sum is σ = 20842360. Its totient is φ = 5846256.

The previous prime is 11801201. The next prime is 11801227. The reversal of 11801212 is 21210811.

11801212 is a modest number, since divided by 1212 gives 1180 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13098 + ... + 13969.

Almost surely, 2^11801212 is an apocalyptic number.

It is an amenable number.

11801212 is a deficient number, since it is larger than the sum of its proper divisors (9041148).

11801212 is a wasteful number, since it uses less digits than its factorization.

11801212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27180 (or 27178 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 11801212 is about 3435.2892163543. The cubic root of 11801212 is about 227.6716058209.

The spelling of 11801212 in words is "eleven million, eight hundred one thousand, two hundred twelve".