11453818 has 16 divisors (see below), whose sum is σ = 18779904. Its totient is φ = 5215680.

The previous prime is 11453809. The next prime is 11453821. The reversal of 11453818 is 81835411.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 11453818.

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, 4380 + ... + 6487.

It is an arithmetic number, because the mean of its divisors is an integer number (1173744).

Almost surely, 2^11453818 is an apocalyptic number.

11453818 is a deficient number, since it is larger than the sum of its proper divisors (7326086).

11453818 is a wasteful number, since it uses less digits than its factorization.

11453818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917.

The product of its digits is 3840, while the sum is 31.

The square root of 11453818 is about 3384.3489772776. The cubic root of 11453818 is about 225.4153185052.

The spelling of 11453818 in words is "eleven million, four hundred fifty-three thousand, eight hundred eighteen".