12622425 has 48 divisors (see below), whose sum is σ = 22141440. Its totient is φ = 6336000.

The previous prime is 12622417. The next prime is 12622429. The reversal of 12622425 is 52422621.

It is a happy number.

It is not a de Polignac number, because 12622425 - 2³ = 12622417 is a prime.

It is a super-2 number, since 2×12622425² = 318651225761250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12622395 and 12622404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12622429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141781 + ... + 141869.

It is an arithmetic number, because the mean of its divisors is an integer number (461280).

Almost surely, 2^12622425 is an apocalyptic number.

12622425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12622425 is a deficient number, since it is larger than the sum of its proper divisors (9519015).

12622425 is a wasteful number, since it uses less digits than its factorization.

12622425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 189 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 12622425 is about 3552.8052296742. The cubic root of 12622425 is about 232.8346435554.

The spelling of 12622425 in words is "twelve million, six hundred twenty-two thousand, four hundred twenty-five".