14420505 has 64 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 6389760.

The previous prime is 14420501. The next prime is 14420519. The reversal of 14420505 is 50502441.

14420505 = T₁₂₉₄ + T₁₂₉₅ + ... + T₁₃₁₀.

14420505 = 913² + 914² + ... + 929².

It is not a de Polignac number, because 14420505 - 2² = 14420501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14420501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148617 + ... + 148713.

It is an arithmetic number, because the mean of its divisors is an integer number (428652).

Almost surely, 2^14420505 is an apocalyptic number.

14420505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14420505 is a deficient number, since it is larger than the sum of its proper divisors (13013223).

14420505 is a wasteful number, since it uses less digits than its factorization.

14420505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 14420505 is about 3797.4340020598. The cubic root of 14420505 is about 243.4035024175.

Adding to 14420505 its reverse (50502441), we get a palindrome (64922946).

The spelling of 14420505 in words is "fourteen million, four hundred twenty thousand, five hundred five".