11954427 has 4 divisors (see below), whose sum is σ = 15939240. Its totient is φ = 7969616.

The previous prime is 11954399. The next prime is 11954429. The reversal of 11954427 is 72445911.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11954427 - 2²³ = 3565819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11954429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1992402 + ... + 1992407.

It is an arithmetic number, because the mean of its divisors is an integer number (3984810).

Almost surely, 2^11954427 is an apocalyptic number.

11954427 is a deficient number, since it is larger than the sum of its proper divisors (3984813).

11954427 is an equidigital number, since it uses as much as digits as its factorization.

11954427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984812.

The product of its digits is 10080, while the sum is 33.

The square root of 11954427 is about 3457.5174619949. The cubic root of 11954427 is about 228.6526582757.

The spelling of 11954427 in words is "eleven million, nine hundred fifty-four thousand, four hundred twenty-seven".