Search a number
-
+
12503796 = 2231041983
BaseRepresentation
bin101111101100…
…101011110100
3212112020222120
4233230223310
511200110141
61123555540
7211165134
oct57545364
925466876
1012503796
117070318
12422bbb0
13278a3c6
141936ac4
15116ec66
hexbecaf4

12503796 has 12 divisors (see below), whose sum is σ = 29175552. Its totient is φ = 4167928.

The previous prime is 12503783. The next prime is 12503797. The reversal of 12503796 is 69730521.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503797) 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, 520980 + ... + 521003.

It is an arithmetic number, because the mean of its divisors is an integer number (2431296).

Almost surely, 212503796 is an apocalyptic number.

It is an amenable number.

12503796 is an abundant number, since it is smaller than the sum of its proper divisors (16671756).

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

12503796 is a wasteful number, since it uses less digits than its factorization.

12503796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041990 (or 1041988 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 12503796 is about 3536.0707006507. The cubic root of 12503796 is about 232.1029319312.

The spelling of 12503796 in words is "twelve million, five hundred three thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 1041983 2083966 3125949 4167932 6251898 12503796