11967567 has 12 divisors (see below), whose sum is σ = 16682904. Its totient is φ = 7630480.

The previous prime is 11967551. The next prime is 11967583. The reversal of 11967567 is 76576911.

It is an interprime number because it is at equal distance from previous prime (11967551) and next prime (11967583).

It is not a de Polignac number, because 11967567 - 2⁴ = 11967551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11962567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2184 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (1390242).

Almost surely, 2^11967567 is an apocalyptic number.

11967567 is a deficient number, since it is larger than the sum of its proper divisors (4715337).

11967567 is an equidigital number, since it uses as much as digits as its factorization.

11967567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590 (or 7567 counting only the distinct ones).

The product of its digits is 79380, while the sum is 42.

The square root of 11967567 is about 3459.4171474397. The cubic root of 11967567 is about 228.7364039816.

The spelling of 11967567 in words is "eleven million, nine hundred sixty-seven thousand, five hundred sixty-seven".