13146429 has 4 divisors (see below), whose sum is σ = 17528576. Its totient is φ = 8764284.

The previous prime is 13146421. The next prime is 13146437. The reversal of 13146429 is 92464131.

13146429 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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: 92464131 = 3 ⋅30821377.

It is an interprime number because it is at equal distance from previous prime (13146421) and next prime (13146437).

It is not a de Polignac number, because 13146429 - 2³ = 13146421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13146396 and 13146405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2191069 + ... + 2191074.

It is an arithmetic number, because the mean of its divisors is an integer number (4382144).

Almost surely, 2^13146429 is an apocalyptic number.

It is an amenable number.

13146429 is a deficient number, since it is larger than the sum of its proper divisors (4382147).

13146429 is an equidigital number, since it uses as much as digits as its factorization.

13146429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382146.

The product of its digits is 5184, while the sum is 30.

The square root of 13146429 is about 3625.8004633460. The cubic root of 13146429 is about 236.0130044064.

The spelling of 13146429 in words is "thirteen million, one hundred forty-six thousand, four hundred twenty-nine".