Search a number
-
+
12520374 = 2314091481
BaseRepresentation
bin101111110000…
…101110110110
3212120002201120
4233300232312
511201122444
61124204410
7211264356
oct57605666
925502646
1012520374
117081819
124239706
132794b09
14193cb66
151174b19
hexbf0bb6

12520374 has 16 divisors (see below), whose sum is σ = 25075440. Its totient is φ = 4167680.

The previous prime is 12520367. The next prime is 12520379. The reversal of 12520374 is 47302521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520379) 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, 7714 + ... + 9194.

It is an arithmetic number, because the mean of its divisors is an integer number (1567215).

Almost surely, 212520374 is an apocalyptic number.

12520374 is an abundant number, since it is smaller than the sum of its proper divisors (12555066).

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

12520374 is a wasteful number, since it uses less digits than its factorization.

12520374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 12520374 is about 3538.4140515208. The cubic root of 12520374 is about 232.2054635448.

Adding to 12520374 its reverse (47302521), we get a palindrome (59822895).

The spelling of 12520374 in words is "twelve million, five hundred twenty thousand, three hundred seventy-four".

Divisors: 1 2 3 6 1409 1481 2818 2962 4227 4443 8454 8886 2086729 4173458 6260187 12520374