11198645 has 8 divisors (see below), whose sum is σ = 13608960. Its totient is φ = 8845200.

The previous prime is 11198599. The next prime is 11198687. The reversal of 11198645 is 54689111.

11198645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11198645 - 2⁸ = 11198389 is a prime.

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, 13781 + ... + 14570.

It is an arithmetic number, because the mean of its divisors is an integer number (1701120).

Almost surely, 2^11198645 is an apocalyptic number.

It is an amenable number.

11198645 is a deficient number, since it is larger than the sum of its proper divisors (2410315).

11198645 is an equidigital number, since it uses as much as digits as its factorization.

11198645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28435.

The product of its digits is 8640, while the sum is 35.

The square root of 11198645 is about 3346.4376581673. The cubic root of 11198645 is about 223.7287652934.

It can be divided in two parts, 11 and 198645, that multiplied together give a triangular number (2185095 = T₂₀₉₀).

The spelling of 11198645 in words is "eleven million, one hundred ninety-eight thousand, six hundred forty-five".