12621034 has 4 divisors (see below), whose sum is σ = 18931554. Its totient is φ = 6310516.

The previous prime is 12621017. The next prime is 12621041. The reversal of 12621034 is 43012621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43012621 = 4153 ⋅10357.

It can be written as a sum of positive squares in only one way, i.e., 8105409 + 4515625 = 2847^2 + 2125^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3155257 + ... + 3155260.

Almost surely, 2^12621034 is an apocalyptic number.

12621034 is a deficient number, since it is larger than the sum of its proper divisors (6310520).

12621034 is an equidigital number, since it uses as much as digits as its factorization.

12621034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310519.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12621034 is about 3552.6094634789. The cubic root of 12621034 is about 232.8260903947.

Adding to 12621034 its reverse (43012621), we get a palindrome (55633655).

The spelling of 12621034 in words is "twelve million, six hundred twenty-one thousand, thirty-four".