11173429 has 2 divisors, whose sum is σ = 11173430. Its totient is φ = 11173428.

The previous prime is 11173427. The next prime is 11173433. The reversal of 11173429 is 92437111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7969329 + 3204100 = 2823^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 11173429 - 2¹ = 11173427 is a prime.

Together with 11173427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11173397 and 11173406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11173427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586714 + 5586715.

It is an arithmetic number, because the mean of its divisors is an integer number (5586715).

Almost surely, 2^11173429 is an apocalyptic number.

It is an amenable number.

11173429 is a deficient number, since it is larger than the sum of its proper divisors (1).

11173429 is an equidigital number, since it uses as much as digits as its factorization.

11173429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 28.

The square root of 11173429 is about 3342.6679464165. The cubic root of 11173429 is about 223.5607156705.

The spelling of 11173429 in words is "eleven million, one hundred seventy-three thousand, four hundred twenty-nine".