11949967 has 2 divisors, whose sum is σ = 11949968. Its totient is φ = 11949966.

The previous prime is 11949953. The next prime is 11949979. The reversal of 11949967 is 76994911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11949967 - 2²³ = 3561359 is a prime.

It is a super-2 number, since 2×11949967² = 285603422602178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11949937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5974983 + 5974984.

It is an arithmetic number, because the mean of its divisors is an integer number (5974984).

Almost surely, 2^11949967 is an apocalyptic number.

11949967 is a deficient number, since it is larger than the sum of its proper divisors (1).

11949967 is an equidigital number, since it uses as much as digits as its factorization.

11949967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 46.

The square root of 11949967 is about 3456.8724303914. The cubic root of 11949967 is about 228.6242192240.

It can be divided in two parts, 119 and 49967, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 11949967 in words is "eleven million, nine hundred forty-nine thousand, nine hundred sixty-seven".