11972767 has 2 divisors, whose sum is σ = 11972768. Its totient is φ = 11972766.

The previous prime is 11972761. The next prime is 11972783. The reversal of 11972767 is 76727911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11972767 - 2¹¹ = 11970719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11972761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5986383 + 5986384.

It is an arithmetic number, because the mean of its divisors is an integer number (5986384).

Almost surely, 2^11972767 is an apocalyptic number.

11972767 is a deficient number, since it is larger than the sum of its proper divisors (1).

11972767 is an equidigital number, since it uses as much as digits as its factorization.

11972767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044, while the sum is 40.

The square root of 11972767 is about 3460.1686375089. The cubic root of 11972767 is about 228.7695284273.

The spelling of 11972767 in words is "eleven million, nine hundred seventy-two thousand, seven hundred sixty-seven".