11929113 has 24 divisors (see below), whose sum is σ = 20424768. Its totient is φ = 6815664.

The previous prime is 11929091. The next prime is 11929123. The reversal of 11929113 is 31192911.

It is a de Polignac number, because none of the positive numbers 2^k-11929113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11929123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1806 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (851032).

Almost surely, 2^11929113 is an apocalyptic number.

It is an amenable number.

11929113 is a deficient number, since it is larger than the sum of its proper divisors (8495655).

11929113 is an frugal number, since it uses more digits than its factorization.

11929113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035 (or 7023 counting only the distinct ones).

The product of its digits is 486, while the sum is 27.

The square root of 11929113 is about 3453.8548029702. The cubic root of 11929113 is about 228.4911503610.

The spelling of 11929113 in words is "eleven million, nine hundred twenty-nine thousand, one hundred thirteen".