12604621 has 8 divisors (see below), whose sum is σ = 13213440. Its totient is φ = 12000912.

The previous prime is 12604597. The next prime is 12604639. The reversal of 12604621 is 12640621.

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 12604621 - 2¹¹ = 12602573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12604592 and 12604601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4351 + ... + 6643.

It is an arithmetic number, because the mean of its divisors is an integer number (1651680).

Almost surely, 2^12604621 is an apocalyptic number.

It is an amenable number.

12604621 is a deficient number, since it is larger than the sum of its proper divisors (608819).

12604621 is a wasteful number, since it uses less digits than its factorization.

12604621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12604621 is about 3550.2987198263. The cubic root of 12604621 is about 232.7251205292.

It can be divided in two parts, 12604 and 621, that added together give a square (13225 = 115²).

The spelling of 12604621 in words is "twelve million, six hundred four thousand, six hundred twenty-one".