Search a number
-
+
12406452 = 2235319507
BaseRepresentation
bin101111010100…
…111010110100
3212100022110020
4233110322310
511134001302
61121525140
7210311262
oct57247264
925308406
1012406452
117004173
1241a37b0
132754cc6
14190d432
151150ebc
hexbd4eb4

12406452 has 24 divisors (see below), whose sum is σ = 29496096. Its totient is φ = 4057248.

The previous prime is 12406451. The next prime is 12406463. The reversal of 12406452 is 25460421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406451) 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, 9118 + ... + 10389.

It is an arithmetic number, because the mean of its divisors is an integer number (1229004).

Almost surely, 212406452 is an apocalyptic number.

12406452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12406452 is an abundant number, since it is smaller than the sum of its proper divisors (17089644).

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

12406452 is a wasteful number, since it uses less digits than its factorization.

12406452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19567 (or 19565 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 12406452 is about 3522.2793756316. The cubic root of 12406452 is about 231.4990429236.

Adding to 12406452 its reverse (25460421), we get a palindrome (37866873).

The spelling of 12406452 in words is "twelve million, four hundred six thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 19507 39014 58521 78028 117042 234084 1033871 2067742 3101613 4135484 6203226 12406452