12621350 has 24 divisors (see below), whose sum is σ = 26830128. Its totient is φ = 4327200.

The previous prime is 12621337. The next prime is 12621353. The reversal of 12621350 is 5312621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12621353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17681 + ... + 18380.

It is an arithmetic number, because the mean of its divisors is an integer number (1117922).

Almost surely, 2^12621350 is an apocalyptic number.

12621350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12621350 is an abundant number, since it is smaller than the sum of its proper divisors (14208778).

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

12621350 is a wasteful number, since it uses less digits than its factorization.

12621350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36080 (or 36075 counting only the distinct ones).

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

The square root of 12621350 is about 3552.6539375515. The cubic root of 12621350 is about 232.8280335116.

Adding to 12621350 its reverse (5312621), we get a palindrome (17933971).

The spelling of 12621350 in words is "twelve million, six hundred twenty-one thousand, three hundred fifty".