11204945 has 8 divisors (see below), whose sum is σ = 13465320. Its totient is φ = 8951040.

The previous prime is 11204923. The next prime is 11204953. The reversal of 11204945 is 54940211.

It can be written as a sum of positive squares in 4 ways, for example, as 1067089 + 10137856 = 1033^2 + 3184^2 .

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

It is not a de Polignac number, because 11204945 - 2⁶ = 11204881 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3935 + ... + 6155.

It is an arithmetic number, because the mean of its divisors is an integer number (1683165).

Almost surely, 2^11204945 is an apocalyptic number.

It is an amenable number.

11204945 is a deficient number, since it is larger than the sum of its proper divisors (2260375).

11204945 is a wasteful number, since it uses less digits than its factorization.

11204945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 11204945 is about 3347.3788252900. The cubic root of 11204945 is about 223.7707116477.

The spelling of 11204945 in words is "eleven million, two hundred four thousand, nine hundred forty-five".