12061005 has 32 divisors (see below), whose sum is σ = 21385728. Its totient is φ = 5755200.

The previous prime is 12061003. The next prime is 12061033. The reversal of 12061005 is 50016021.

It is not a de Polignac number, because 12061005 - 2¹ = 12061003 is a prime.

It is a super-2 number, since 2×12061005² = 290935683220050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10510 + ... + 11600.

It is an arithmetic number, because the mean of its divisors is an integer number (668304).

Almost surely, 2^12061005 is an apocalyptic number.

12061005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12061005 is a deficient number, since it is larger than the sum of its proper divisors (9324723).

12061005 is a wasteful number, since it uses less digits than its factorization.

12061005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12061005 is about 3472.8957657839. The cubic root of 12061005 is about 229.3301556614.

Adding to 12061005 its reverse (50016021), we get a palindrome (62077026).

It can be divided in two parts, 1206 and 1005, that added together give a triangular number (2211 = T₆₆).

The spelling of 12061005 in words is "twelve million, sixty-one thousand, five".