14429881 has 2 divisors, whose sum is σ = 14429882. Its totient is φ = 14429880.

The previous prime is 14429879. The next prime is 14429917. The reversal of 14429881 is 18892441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11594025 + 2835856 = 3405^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 14429881 - 2¹ = 14429879 is a prime.

It is a super-2 number, since 2×14429881² = 416442931348322, which contains 22 as substring.

Together with 14429879, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14429881.

It is not a weakly prime, because it can be changed into another prime (14429801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7214940 + 7214941.

It is an arithmetic number, because the mean of its divisors is an integer number (7214941).

Almost surely, 2^14429881 is an apocalyptic number.

It is an amenable number.

14429881 is a deficient number, since it is larger than the sum of its proper divisors (1).

14429881 is an equidigital number, since it uses as much as digits as its factorization.

14429881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 37.

The square root of 14429881 is about 3798.6683192930. The cubic root of 14429881 is about 243.4562434463.

The spelling of 14429881 in words is "fourteen million, four hundred twenty-nine thousand, eight hundred eighty-one".