11974247 has 2 divisors, whose sum is σ = 11974248. Its totient is φ = 11974246.

The previous prime is 11974243. The next prime is 11974279. The reversal of 11974247 is 74247911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11974247 - 2² = 11974243 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11974241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987123 + 5987124.

It is an arithmetic number, because the mean of its divisors is an integer number (5987124).

Almost surely, 2^11974247 is an apocalyptic number.

11974247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11974247 is an equidigital number, since it uses as much as digits as its factorization.

11974247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 11974247 is about 3460.3824933091. The cubic root of 11974247 is about 228.7789544007.

It can be divided in two parts, 11974 and 247, that added together give a palindrome (12221).

The spelling of 11974247 in words is "eleven million, nine hundred seventy-four thousand, two hundred forty-seven".