11954779 has 8 divisors (see below), whose sum is σ = 12741120. Its totient is φ = 11190696.

The previous prime is 11954777. The next prime is 11954783. The reversal of 11954779 is 97745911.

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

It is not a de Polignac number, because 11954779 - 2¹ = 11954777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11954771) 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, 4449 + ... + 6610.

It is an arithmetic number, because the mean of its divisors is an integer number (1592640).

Almost surely, 2^11954779 is an apocalyptic number.

11954779 is a deficient number, since it is larger than the sum of its proper divisors (786341).

11954779 is a wasteful number, since it uses less digits than its factorization.

11954779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11129.

The product of its digits is 79380, while the sum is 43.

The square root of 11954779 is about 3457.5683651954. The cubic root of 11954779 is about 228.6549024917.

The spelling of 11954779 in words is "eleven million, nine hundred fifty-four thousand, seven hundred seventy-nine".