11453819 has 8 divisors (see below), whose sum is σ = 12378912. Its totient is φ = 10535040.

The previous prime is 11453809. The next prime is 11453821. The reversal of 11453819 is 91835411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11453819 is a prime.

It is a super-2 number, since 2×11453819² = 262379939369522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11453809) 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, 2627 + ... + 5459.

It is an arithmetic number, because the mean of its divisors is an integer number (1547364).

Almost surely, 2^11453819 is an apocalyptic number.

11453819 is a deficient number, since it is larger than the sum of its proper divisors (925093).

11453819 is a wasteful number, since it uses less digits than its factorization.

11453819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157.

The product of its digits is 4320, while the sum is 32.

The square root of 11453819 is about 3384.3491250165. The cubic root of 11453819 is about 225.4153250653.

The spelling of 11453819 in words is "eleven million, four hundred fifty-three thousand, eight hundred nineteen".