Search a number
-
+
12620604 = 2231051717
BaseRepresentation
bin110000001001…
…001100111100
3212202012012210
4300021030330
511212324404
61130300420
7212162523
oct60111474
925665183
1012620604
117140057
124287710
1327cb619
1419674ba
151194689
hexc0933c

12620604 has 12 divisors (see below), whose sum is σ = 29448104. Its totient is φ = 4206864.

The previous prime is 12620603. The next prime is 12620609. The reversal of 12620604 is 40602621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12620603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525847 + ... + 525870.

Almost surely, 212620604 is an apocalyptic number.

It is an amenable number.

12620604 is an abundant number, since it is smaller than the sum of its proper divisors (16827500).

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

12620604 is a wasteful number, since it uses less digits than its factorization.

12620604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051724 (or 1051722 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12620604 is about 3552.5489440682. The cubic root of 12620604 is about 232.8234462280.

The spelling of 12620604 in words is "twelve million, six hundred twenty thousand, six hundred four".

Divisors: 1 2 3 4 6 12 1051717 2103434 3155151 4206868 6310302 12620604