11618642 has 16 divisors (see below), whose sum is σ = 19982592. Its totient is φ = 4963200.

The previous prime is 11618641. The next prime is 11618681. The reversal of 11618642 is 24681611.

It is not an unprimeable number, because it can be changed into a prime (11618641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3767 + ... + 6117.

It is an arithmetic number, because the mean of its divisors is an integer number (1248912).

Almost surely, 2^11618642 is an apocalyptic number.

11618642 is a deficient number, since it is larger than the sum of its proper divisors (8363950).

11618642 is a wasteful number, since it uses less digits than its factorization.

11618642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713.

The product of its digits is 2304, while the sum is 29.

The square root of 11618642 is about 3408.6129143685. The cubic root of 11618642 is about 226.4914384859.

The spelling of 11618642 in words is "eleven million, six hundred eighteen thousand, six hundred forty-two".