11785642 has 24 divisors (see below), whose sum is σ = 20071296. Its totient is φ = 5181000.

The previous prime is 11785633. The next prime is 11785649. The reversal of 11785642 is 24658711.

It is a junction number, because it is equal to n+sod(n) for n = 11785598 and 11785607.

It is not an unprimeable number, because it can be changed into a prime (11785649) 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, 6717 + ... + 8287.

It is an arithmetic number, because the mean of its divisors is an integer number (836304).

Almost surely, 2^11785642 is an apocalyptic number.

11785642 is a deficient number, since it is larger than the sum of its proper divisors (8285654).

11785642 is a wasteful number, since it uses less digits than its factorization.

11785642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1615 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 11785642 is about 3433.0222836445. The cubic root of 11785642 is about 227.5714351204.

The spelling of 11785642 in words is "eleven million, seven hundred eighty-five thousand, six hundred forty-two".