13744429 has 4 divisors (see below), whose sum is σ = 14467840. Its totient is φ = 13021020.

The previous prime is 13744411. The next prime is 13744433. The reversal of 13744429 is 92444731.

It is a happy number.

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: 92444731 = 367 ⋅251893.

It is a cyclic number.

It is not a de Polignac number, because 13744429 - 2¹¹ = 13742381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13744394 and 13744403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13744229) 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, 361677 + ... + 361714.

It is an arithmetic number, because the mean of its divisors is an integer number (3616960).

Almost surely, 2^13744429 is an apocalyptic number.

13744429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13744429 is a deficient number, since it is larger than the sum of its proper divisors (723411).

13744429 is an equidigital number, since it uses as much as digits as its factorization.

13744429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723410.

The product of its digits is 24192, while the sum is 34.

The square root of 13744429 is about 3707.3479739566. The cubic root of 13744429 is about 239.5386333309.

The spelling of 13744429 in words is "thirteen million, seven hundred forty-four thousand, four hundred twenty-nine".