12620346 has 16 divisors (see below), whose sum is σ = 25778304. Its totient is φ = 4117184.

The previous prime is 12620339. The next prime is 12620359. The reversal of 12620346 is 64302621.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22095 + ... + 22658.

It is an arithmetic number, because the mean of its divisors is an integer number (1611144).

Almost surely, 2^12620346 is an apocalyptic number.

12620346 is an abundant number, since it is smaller than the sum of its proper divisors (13157958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12620346 is a wasteful number, since it uses less digits than its factorization.

12620346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44805.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 12620346 is about 3552.5126319269. The cubic root of 12620346 is about 232.8218596991.

Adding to 12620346 its reverse (64302621), we get a palindrome (76922967).

The spelling of 12620346 in words is "twelve million, six hundred twenty thousand, three hundred forty-six".