11914779 has 8 divisors (see below), whose sum is σ = 15903232. Its totient is φ = 7934760.

The previous prime is 11914751. The next prime is 11914781. The reversal of 11914779 is 97741911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11914779 - 2¹¹ = 11912731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11914789) 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, 2874 + ... + 5664.

It is an arithmetic number, because the mean of its divisors is an integer number (1987904).

Almost surely, 2^11914779 is an apocalyptic number.

11914779 is a deficient number, since it is larger than the sum of its proper divisors (3988453).

11914779 is a wasteful number, since it uses less digits than its factorization.

11914779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217.

The product of its digits is 15876, while the sum is 39.

The square root of 11914779 is about 3451.7791064899. The cubic root of 11914779 is about 228.3995955001.

The spelling of 11914779 in words is "eleven million, nine hundred fourteen thousand, seven hundred seventy-nine".