11429391 has 8 divisors (see below), whose sum is σ = 15448240. Its totient is φ = 7515072.

The previous prime is 11429381. The next prime is 11429399. The reversal of 11429391 is 19392411.

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

It is not a de Polignac number, because 11429391 - 2¹³ = 11421199 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 (11429399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25876 + ... + 26313.

It is an arithmetic number, because the mean of its divisors is an integer number (1931030).

Almost surely, 2^11429391 is an apocalyptic number.

11429391 is a deficient number, since it is larger than the sum of its proper divisors (4018849).

11429391 is an equidigital number, since it uses as much as digits as its factorization.

11429391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52265.

The product of its digits is 1944, while the sum is 30.

The square root of 11429391 is about 3380.7382329899. The cubic root of 11429391 is about 225.2549603634.

The spelling of 11429391 in words is "eleven million, four hundred twenty-nine thousand, three hundred ninety-one".