12622305 has 16 divisors (see below), whose sum is σ = 20268864. Its totient is φ = 6707520.

The previous prime is 12622297. The next prime is 12622333. The reversal of 12622305 is 50322621.

It is not a de Polignac number, because 12622305 - 2³ = 12622297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3235 + ... + 5975.

It is an arithmetic number, because the mean of its divisors is an integer number (1266804).

Almost surely, 2^12622305 is an apocalyptic number.

12622305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12622305 is a deficient number, since it is larger than the sum of its proper divisors (7646559).

12622305 is a wasteful number, since it uses less digits than its factorization.

12622305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12622305 is about 3552.7883415706. The cubic root of 12622305 is about 232.8339057086.

Adding to 12622305 its reverse (50322621), we get a palindrome (62944926).

The spelling of 12622305 in words is "twelve million, six hundred twenty-two thousand, three hundred five".