13551429 has 4 divisors (see below), whose sum is σ = 18068576. Its totient is φ = 9034284.

The previous prime is 13551409. The next prime is 13551437. The reversal of 13551429 is 92415531.

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.

It is a de Polignac number, because none of the positive numbers 2^k-13551429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13551396 and 13551405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551409) 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, 2258569 + ... + 2258574.

It is an arithmetic number, because the mean of its divisors is an integer number (4517144).

Almost surely, 2^13551429 is an apocalyptic number.

It is an amenable number.

13551429 is a deficient number, since it is larger than the sum of its proper divisors (4517147).

13551429 is an equidigital number, since it uses as much as digits as its factorization.

13551429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517146.

The product of its digits is 5400, while the sum is 30.

The square root of 13551429 is about 3681.2265618948. The cubic root of 13551429 is about 238.4121392723.

The spelling of 13551429 in words is "thirteen million, five hundred fifty-one thousand, four hundred twenty-nine".