11453909 has 8 divisors (see below), whose sum is σ = 11761152. Its totient is φ = 11150640.

The previous prime is 11453899. The next prime is 11453921. The reversal of 11453909 is 90935411.

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

It is a cyclic number.

It is not a de Polignac number, because 11453909 - 2⁸ = 11453653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453929) 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, 5372 + ... + 7194.

It is an arithmetic number, because the mean of its divisors is an integer number (1470144).

Almost surely, 2^11453909 is an apocalyptic number.

It is an amenable number.

11453909 is a deficient number, since it is larger than the sum of its proper divisors (307243).

11453909 is a wasteful number, since it uses less digits than its factorization.

11453909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 11453909 is about 3384.3624214909. The cubic root of 11453909 is about 225.4159154747.

The spelling of 11453909 in words is "eleven million, four hundred fifty-three thousand, nine hundred nine".