12620354 has 8 divisors (see below), whose sum is σ = 19118268. Its totient is φ = 6247600.

The previous prime is 12620339. The next prime is 12620359. The reversal of 12620354 is 45302621.

It can be written as a sum of positive squares in 2 ways, for example, as 12439729 + 180625 = 3527^2 + 425^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12620359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31037 + ... + 31440.

Almost surely, 2^12620354 is an apocalyptic number.

12620354 is a deficient number, since it is larger than the sum of its proper divisors (6497914).

12620354 is a wasteful number, since it uses less digits than its factorization.

12620354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62580.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12620354 is about 3552.5137578903. The cubic root of 12620354 is about 232.8219088941.

Adding to 12620354 its reverse (45302621), we get a palindrome (57922975).

The spelling of 12620354 in words is "twelve million, six hundred twenty thousand, three hundred fifty-four".