11949718 has 24 divisors (see below), whose sum is σ = 20014344. Its totient is φ = 5350620.

The previous prime is 11949713. The next prime is 11949731. The reversal of 11949718 is 81794911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178321 + ... + 178387.

It is an arithmetic number, because the mean of its divisors is an integer number (833931).

Almost surely, 2^11949718 is an apocalyptic number.

11949718 is a deficient number, since it is larger than the sum of its proper divisors (8064626).

11949718 is an frugal number, since it uses more digits than its factorization.

11949718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 80 counting only the distinct ones).

The product of its digits is 18144, while the sum is 40.

The square root of 11949718 is about 3456.8364149899. The cubic root of 11949718 is about 228.6226312747.

The spelling of 11949718 in words is "eleven million, nine hundred forty-nine thousand, seven hundred eighteen".