12621050 has 24 divisors (see below), whose sum is σ = 25282236. Its totient is φ = 4659840.

The previous prime is 12621047. The next prime is 12621053. The reversal of 12621050 is 5012621.

It is an interprime number because it is at equal distance from previous prime (12621047) and next prime (12621053).

It can be written as a sum of positive squares in 6 ways, for example, as 82369 + 12538681 = 287^2 + 3541^2 .

It is not an unprimeable number, because it can be changed into a prime (12621053) 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 11 ways as a sum of consecutive naturals, for example, 9059 + ... + 10358.

Almost surely, 2^12621050 is an apocalyptic number.

12621050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12621050 is an abundant number, since it is smaller than the sum of its proper divisors (12661186).

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

12621050 is a wasteful number, since it uses less digits than its factorization.

12621050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19442 (or 19437 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12621050 is about 3552.6117153441. The cubic root of 12621050 is about 232.8261887812.

Adding to 12621050 its reverse (5012621), we get a palindrome (17633671).

The spelling of 12621050 in words is "twelve million, six hundred twenty-one thousand, fifty".