11928413 has 6 divisors (see below), whose sum is σ = 13875966. Its totient is φ = 10224312.

The previous prime is 11928401. The next prime is 11928431. The reversal of 11928413 is 31482911.

11928413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 2181529 = 3122^2 + 1477^2 .

It is not a de Polignac number, because 11928413 - 2¹⁸ = 11666269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11928473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121670 + ... + 121767.

It is an arithmetic number, because the mean of its divisors is an integer number (2312661).

Almost surely, 2^11928413 is an apocalyptic number.

It is an amenable number.

11928413 is a deficient number, since it is larger than the sum of its proper divisors (1947553).

11928413 is an equidigital number, since it uses as much as digits as its factorization.

11928413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243451 (or 243444 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 11928413 is about 3453.7534654344. The cubic root of 11928413 is about 228.4866809890.

The spelling of 11928413 in words is "eleven million, nine hundred twenty-eight thousand, four hundred thirteen".