12622331 has 8 divisors (see below), whose sum is σ = 13369344. Its totient is φ = 11891880.

The previous prime is 12622297. The next prime is 12622333. The reversal of 12622331 is 13322621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12622331 - 2¹⁰ = 12621307 is a prime.

It is a super-2 number, since 2×12622331² = 318646479747122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12622333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555 + ... + 5636.

It is an arithmetic number, because the mean of its divisors is an integer number (1671168).

Almost surely, 2^12622331 is an apocalyptic number.

12622331 is a deficient number, since it is larger than the sum of its proper divisors (747013).

12622331 is an equidigital number, since it uses as much as digits as its factorization.

12622331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281.

The product of its digits is 432, while the sum is 20.

The square root of 12622331 is about 3552.7920006665. The cubic root of 12622331 is about 232.8340655758.

Adding to 12622331 its reverse (13322621), we get a palindrome (25944952).

The spelling of 12622331 in words is "twelve million, six hundred twenty-two thousand, three hundred thirty-one".