Search a number
-
+
12013954 = 215738261
BaseRepresentation
bin101101110101…
…000110000010
3211121101001021
4231311012002
511033421304
61105300054
7204055051
oct55650602
924541037
1012013954
116866297
12403462a
132648464
14184a398
1510c4a54
hexb75182

12013954 has 8 divisors (see below), whose sum is σ = 18136188. Its totient is φ = 5968560.

The previous prime is 12013949. The next prime is 12013973. The reversal of 12013954 is 45931021.

It can be written as a sum of positive squares in 2 ways, for example, as 11716929 + 297025 = 3423^2 + 545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18817 + ... + 19444.

Almost surely, 212013954 is an apocalyptic number.

12013954 is a deficient number, since it is larger than the sum of its proper divisors (6122234).

12013954 is a wasteful number, since it uses less digits than its factorization.

12013954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38420.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12013954 is about 3466.1151163803. The cubic root of 12013954 is about 229.0315549278.

Adding to 12013954 its reverse (45931021), we get a palindrome (57944975).

The spelling of 12013954 in words is "twelve million, thirteen thousand, nine hundred fifty-four".

Divisors: 1 2 157 314 38261 76522 6006977 12013954