11806870 has 16 divisors (see below), whose sum is σ = 21705408. Its totient is φ = 4622080.

The previous prime is 11806867. The next prime is 11806901. The reversal of 11806870 is 7860811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12091 + ... + 13030.

It is an arithmetic number, because the mean of its divisors is an integer number (1356588).

Almost surely, 2^11806870 is an apocalyptic number.

11806870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11806870 is a deficient number, since it is larger than the sum of its proper divisors (9898538).

11806870 is a wasteful number, since it uses less digits than its factorization.

11806870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25175.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 11806870 is about 3436.1126291203. The cubic root of 11806870 is about 227.7079851389.

The spelling of 11806870 in words is "eleven million, eight hundred six thousand, eight hundred seventy".