11612147 has 2 divisors, whose sum is σ = 11612148. Its totient is φ = 11612146.

The previous prime is 11612119. The next prime is 11612201. The reversal of 11612147 is 74121611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11612147 is a prime.

It is a Chen prime.

It is equal to p₇₆₄₂₄₀ and since 11612147 and 764240 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11612047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5806073 + 5806074.

It is an arithmetic number, because the mean of its divisors is an integer number (5806074).

Almost surely, 2^11612147 is an apocalyptic number.

11612147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11612147 is an equidigital number, since it uses as much as digits as its factorization.

11612147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

The square root of 11612147 is about 3407.6600475986. The cubic root of 11612147 is about 226.4492265506.

Adding to 11612147 its reverse (74121611), we get a palindrome (85733758).

The spelling of 11612147 in words is "eleven million, six hundred twelve thousand, one hundred forty-seven".