11919970 has 16 divisors (see below), whose sum is σ = 21777408. Its totient is φ = 4696560.

The previous prime is 11919967. The next prime is 11919983. The reversal of 11919970 is 7991911.

11919970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8226 + ... + 9565.

It is an arithmetic number, because the mean of its divisors is an integer number (1361088).

Almost surely, 2^11919970 is an apocalyptic number.

11919970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11919970 is a deficient number, since it is larger than the sum of its proper divisors (9857438).

11919970 is a wasteful number, since it uses less digits than its factorization.

11919970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17865.

The product of its (nonzero) digits is 5103, while the sum is 37.

The square root of 11919970 is about 3452.5309556903. The cubic root of 11919970 is about 228.4327601985.

The spelling of 11919970 in words is "eleven million, nine hundred nineteen thousand, nine hundred seventy".