11949788 has 24 divisors (see below), whose sum is σ = 21967008. Its totient is φ = 5677056.

The previous prime is 11949781. The next prime is 11949799. The reversal of 11949788 is 88794911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17420 + ... + 18092.

It is an arithmetic number, because the mean of its divisors is an integer number (915292).

Almost surely, 2^11949788 is an apocalyptic number.

It is an amenable number.

11949788 is a deficient number, since it is larger than the sum of its proper divisors (10017220).

11949788 is a wasteful number, since it uses less digits than its factorization.

11949788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 891 counting only the distinct ones).

The product of its digits is 145152, while the sum is 47.

The square root of 11949788 is about 3456.8465398395. The cubic root of 11949788 is about 228.6230776884.

The spelling of 11949788 in words is "eleven million, nine hundred forty-nine thousand, seven hundred eighty-eight".