11929479 has 12 divisors (see below), whose sum is σ = 16629816. Its totient is φ = 7606192.

The previous prime is 11929457. The next prime is 11929487. The reversal of 11929479 is 97492911.

11929479 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11929479 - 2⁹ = 11928967 is a prime.

It is a super-2 number, since 2×11929479² = 284624938422882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11929479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11929409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2172 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (1385818).

Almost surely, 2^11929479 is an apocalyptic number.

11929479 is a deficient number, since it is larger than the sum of its proper divisors (4700337).

11929479 is an equidigital number, since it uses as much as digits as its factorization.

11929479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566 (or 7543 counting only the distinct ones).

The product of its digits is 40824, while the sum is 42.

The square root of 11929479 is about 3453.9077868409. The cubic root of 11929479 is about 228.4934871346.

The spelling of 11929479 in words is "eleven million, nine hundred twenty-nine thousand, four hundred seventy-nine".