11819953 has 8 divisors (see below), whose sum is σ = 12368448. Its totient is φ = 11274384.

The previous prime is 11819921. The next prime is 11819987. The reversal of 11819953 is 35991811.

It is a happy number.

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 11819953 - 2⁵ = 11819921 is a prime.

It is a super-2 number, since 2×11819953² = 279422577844418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11819903) by changing a digit.

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, 14626 + ... + 15412.

It is an arithmetic number, because the mean of its divisors is an integer number (1546056).

Almost surely, 2^11819953 is an apocalyptic number.

It is an amenable number.

11819953 is a deficient number, since it is larger than the sum of its proper divisors (548495).

11819953 is an equidigital number, since it uses as much as digits as its factorization.

11819953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463.

The product of its digits is 9720, while the sum is 37.

The square root of 11819953 is about 3438.0158522031. The cubic root of 11819953 is about 227.7920605933.

The spelling of 11819953 in words is "eleven million, eight hundred nineteen thousand, nine hundred fifty-three".