12620351 has 8 divisors (see below), whose sum is σ = 13503600. Its totient is φ = 11759040.

The previous prime is 12620339. The next prime is 12620359. The reversal of 12620351 is 15302621.

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 12620351 - 2¹⁴ = 12603967 is a prime.

It is a Duffinian number.

It is a congruent number.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4286 + ... + 6603.

It is an arithmetic number, because the mean of its divisors is an integer number (1687950).

Almost surely, 2^12620351 is an apocalyptic number.

12620351 is a deficient number, since it is larger than the sum of its proper divisors (883249).

12620351 is a wasteful number, since it uses less digits than its factorization.

12620351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10969.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12620351 is about 3552.5133356541. The cubic root of 12620351 is about 232.8218904460.

Adding to 12620351 its reverse (15302621), we get a palindrome (27922972).

The spelling of 12620351 in words is "twelve million, six hundred twenty thousand, three hundred fifty-one".