11670147 has 18 divisors (see below), whose sum is σ = 17252508. Its totient is φ = 7601592.

The previous prime is 11670137. The next prime is 11670149. The reversal of 11670147 is 74107611.

It is not a de Polignac number, because 11670147 - 2⁸ = 11669891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11670147.

It is not an unprimeable number, because it can be changed into a prime (11670149) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19588 + ... + 20174.

Almost surely, 2^11670147 is an apocalyptic number.

11670147 is a deficient number, since it is larger than the sum of its proper divisors (5582361).

11670147 is an equidigital number, since it uses as much as digits as its factorization.

11670147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 11670147 is about 3416.1596859632. The cubic root of 11670147 is about 226.8256211549.

Adding to 11670147 its reverse (74107611), we get a palindrome (85777758).

The spelling of 11670147 in words is "eleven million, six hundred seventy thousand, one hundred forty-seven".