11771902 has 16 divisors (see below), whose sum is σ = 18338112. Its totient is φ = 5663520.

The previous prime is 11771899. The next prime is 11771917. The reversal of 11771902 is 20917711.

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, 4708 + ... + 6760.

It is an arithmetic number, because the mean of its divisors is an integer number (1146132).

Almost surely, 2^11771902 is an apocalyptic number.

11771902 is a deficient number, since it is larger than the sum of its proper divisors (6566210).

11771902 is a wasteful number, since it uses less digits than its factorization.

11771902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 11771902 is about 3431.0205478837. The cubic root of 11771902 is about 227.4829645498.

It can be divided in two parts, 1 and 1771902, that added together give a triangular number (1771903 = T₁₈₈₂).

The spelling of 11771902 in words is "eleven million, seven hundred seventy-one thousand, nine hundred two".