13752429 has 4 divisors (see below), whose sum is σ = 18336576. Its totient is φ = 9168284.

The previous prime is 13752407. The next prime is 13752433. The reversal of 13752429 is 92425731.

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: 92425731 = 3 ⋅30808577.

It is a cyclic number.

It is not a de Polignac number, because 13752429 - 2⁷ = 13752301 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13752429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13752469) 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, 2292069 + ... + 2292074.

It is an arithmetic number, because the mean of its divisors is an integer number (4584144).

Almost surely, 2^13752429 is an apocalyptic number.

It is an amenable number.

13752429 is a deficient number, since it is larger than the sum of its proper divisors (4584147).

13752429 is an equidigital number, since it uses as much as digits as its factorization.

13752429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584146.

The product of its digits is 15120, while the sum is 33.

The square root of 13752429 is about 3708.4267553775. The cubic root of 13752429 is about 239.5850991241.

It can be divided in two parts, 1 and 3752429, that added together give a triangular number (3752430 = T₂₇₃₉).

The spelling of 13752429 in words is "thirteen million, seven hundred fifty-two thousand, four hundred twenty-nine".