11974145 has 8 divisors (see below), whose sum is σ = 14993856. Its totient is φ = 9162736.

The previous prime is 11974121. The next prime is 11974169. The reversal of 11974145 is 54147911.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11974121) and next prime (11974169).

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 11974145 - 2⁸ = 11973889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51947 + ... + 52176.

It is an arithmetic number, because the mean of its divisors is an integer number (1874232).

Almost surely, 2^11974145 is an apocalyptic number.

It is an amenable number.

11974145 is a deficient number, since it is larger than the sum of its proper divisors (3019711).

11974145 is a wasteful number, since it uses less digits than its factorization.

11974145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104151.

The product of its digits is 5040, while the sum is 32.

The square root of 11974145 is about 3460.3677550226. The cubic root of 11974145 is about 228.7783047977.

The spelling of 11974145 in words is "eleven million, nine hundred seventy-four thousand, one hundred forty-five".