11712862 has 24 divisors (see below), whose sum is σ = 20647224. Its totient is φ = 4968432.

The previous prime is 11712859. The next prime is 11712863. The reversal of 11712862 is 26821711.

It is a super-2 number, since 2×11712862² = 274382272462088, 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 11712862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11712863) 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, 9928 + ... + 11044.

It is an arithmetic number, because the mean of its divisors is an integer number (860301).

Almost surely, 2^11712862 is an apocalyptic number.

11712862 is a deficient number, since it is larger than the sum of its proper divisors (8934362).

11712862 is a wasteful number, since it uses less digits than its factorization.

11712862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1233 counting only the distinct ones).

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

The square root of 11712862 is about 3422.4058789103. The cubic root of 11712862 is about 227.1020261095.

The spelling of 11712862 in words is "eleven million, seven hundred twelve thousand, eight hundred sixty-two".