11867862 has 16 divisors (see below), whose sum is σ = 24768000. Its totient is φ = 3783912.

The previous prime is 11867831. The next prime is 11867893. The reversal of 11867862 is 26876811.

It is an interprime number because it is at equal distance from previous prime (11867831) and next prime (11867893).

It is a super-2 number, since 2×11867862² = 281692296902088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11867862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42862 + ... + 43137.

It is an arithmetic number, because the mean of its divisors is an integer number (1548000).

Almost surely, 2^11867862 is an apocalyptic number.

11867862 is an abundant number, since it is smaller than the sum of its proper divisors (12900138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11867862 is a wasteful number, since it uses less digits than its factorization.

11867862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86027.

The product of its digits is 32256, while the sum is 39.

The square root of 11867862 is about 3444.9763424442. The cubic root of 11867862 is about 228.0994103278.

The spelling of 11867862 in words is "eleven million, eight hundred sixty-seven thousand, eight hundred sixty-two".