14129021 has 4 divisors (see below), whose sum is σ = 14144544. Its totient is φ = 14113500.

The previous prime is 14129009. The next prime is 14129033. The reversal of 14129021 is 12092141.

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 an interprime number because it is at equal distance from previous prime (14129009) and next prime (14129033).

It is a cyclic number.

It is not a de Polignac number, because 14129021 - 2⁶ = 14128957 is a prime.

It is a deceptive number, since it divides R_14129020.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14128984 and 14129002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14129081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6305 + ... + 8246.

It is an arithmetic number, because the mean of its divisors is an integer number (3536136).

Almost surely, 2^14129021 is an apocalyptic number.

It is an amenable number.

14129021 is a deficient number, since it is larger than the sum of its proper divisors (15523).

14129021 is an equidigital number, since it uses as much as digits as its factorization.

14129021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15522.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 14129021 is about 3758.8590024102. The cubic root of 14129021 is about 241.7523420895.

The spelling of 14129021 in words is "fourteen million, one hundred twenty-nine thousand, twenty-one".