12622513 has 8 divisors (see below), whose sum is σ = 13101032. Its totient is φ = 12151296.

The previous prime is 12622507. The next prime is 12622529. The reversal of 12622513 is 31522621.

It can be written as a sum of positive squares in 4 ways, for example, as 7573504 + 5049009 = 2752^2 + 2247^2 .

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 12622513 - 2⁵ = 12622481 is a prime.

It is a super-3 number, since 3×12622513³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12622573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1831 + ... + 5347.

It is an arithmetic number, because the mean of its divisors is an integer number (1637629).

Almost surely, 2^12622513 is an apocalyptic number.

It is an amenable number.

12622513 is a deficient number, since it is larger than the sum of its proper divisors (478519).

12622513 is an equidigital number, since it uses as much as digits as its factorization.

12622513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651.

The product of its digits is 720, while the sum is 22.

The square root of 12622513 is about 3552.8176142324. The cubic root of 12622513 is about 232.8351846400.

The spelling of 12622513 in words is "twelve million, six hundred twenty-two thousand, five hundred thirteen".