11429429 has 4 divisors (see below), whose sum is σ = 12468480. Its totient is φ = 10390380.

The previous prime is 11429417. The next prime is 11429441. The reversal of 11429429 is 92492411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92492411 = 11 ⋅8408401.

It is an interprime number because it is at equal distance from previous prime (11429417) and next prime (11429441).

It is not a de Polignac number, because 11429429 - 2¹⁶ = 11363893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11429395 and 11429404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11429449) 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 3 ways as a sum of consecutive naturals, for example, 519509 + ... + 519530.

It is an arithmetic number, because the mean of its divisors is an integer number (3117120).

Almost surely, 2^11429429 is an apocalyptic number.

It is an amenable number.

11429429 is a deficient number, since it is larger than the sum of its proper divisors (1039051).

11429429 is a wasteful number, since it uses less digits than its factorization.

11429429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039050.

The product of its digits is 5184, while the sum is 32.

The square root of 11429429 is about 3380.7438530596. The cubic root of 11429429 is about 225.2552100028.

The spelling of 11429429 in words is "eleven million, four hundred twenty-nine thousand, four hundred twenty-nine".