12622473 has 10 divisors (see below), whose sum is σ = 18855914. Its totient is φ = 8414928.

The previous prime is 12622471. The next prime is 12622481. The reversal of 12622473 is 37422621.

It can be written as a sum of positive squares in only one way, i.e., 8982009 + 3640464 = 2997^2 + 1908^2 .

It is not a de Polignac number, because 12622473 - 2¹ = 12622471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12622471) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 77836 + ... + 77997.

Almost surely, 2^12622473 is an apocalyptic number.

It is an amenable number.

12622473 is a deficient number, since it is larger than the sum of its proper divisors (6233441).

12622473 is an equidigital number, since it uses as much as digits as its factorization.

12622473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155845 (or 155836 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 12622473 is about 3552.8119848931. The cubic root of 12622473 is about 232.8349386928.

The spelling of 12622473 in words is "twelve million, six hundred twenty-two thousand, four hundred seventy-three".