11212867 has 2 divisors, whose sum is σ = 11212868. Its totient is φ = 11212866.

The previous prime is 11212849. The next prime is 11212913. The reversal of 11212867 is 76821211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212867 - 2²³ = 2824259 is a prime.

It is not a weakly prime, because it can be changed into another prime (11212667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606433 + 5606434.

It is an arithmetic number, because the mean of its divisors is an integer number (5606434).

Almost surely, 2^11212867 is an apocalyptic number.

11212867 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212867 is an equidigital number, since it uses as much as digits as its factorization.

11212867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 28.

The square root of 11212867 is about 3348.5619301426. The cubic root of 11212867 is about 223.8234352135.

It can be divided in two parts, 11 and 212867, that added together give a triangular number (212878 = T₆₅₂).

The spelling of 11212867 in words is "eleven million, two hundred twelve thousand, eight hundred sixty-seven".