11953454 has 4 divisors (see below), whose sum is σ = 17930184. Its totient is φ = 5976726.

The previous prime is 11953439. The next prime is 11953457. The reversal of 11953454 is 45435911.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11953454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11953457) 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 as a sum of consecutive naturals, namely, 2988362 + ... + 2988365.

It is an arithmetic number, because the mean of its divisors is an integer number (4482546).

Almost surely, 2^11953454 is an apocalyptic number.

11953454 is a deficient number, since it is larger than the sum of its proper divisors (5976730).

11953454 is an equidigital number, since it uses as much as digits as its factorization.

11953454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976729.

The product of its digits is 10800, while the sum is 32.

The square root of 11953454 is about 3457.3767512379. The cubic root of 11953454 is about 228.6464545747.

The spelling of 11953454 in words is "eleven million, nine hundred fifty-three thousand, four hundred fifty-four".