11945451 has 8 divisors (see below), whose sum is σ = 18202624. Its totient is φ = 6825960.

The previous prime is 11945449. The next prime is 11945467. The reversal of 11945451 is 15454911.

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

It is not a de Polignac number, because 11945451 - 2¹ = 11945449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11945411) 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, 284395 + ... + 284436.

It is an arithmetic number, because the mean of its divisors is an integer number (2275328).

Almost surely, 2^11945451 is an apocalyptic number.

11945451 is a deficient number, since it is larger than the sum of its proper divisors (6257173).

11945451 is an equidigital number, since it uses as much as digits as its factorization.

11945451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568841.

The product of its digits is 3600, while the sum is 30.

The square root of 11945451 is about 3456.2191770778. The cubic root of 11945451 is about 228.5954158792.

The spelling of 11945451 in words is "eleven million, nine hundred forty-five thousand, four hundred fifty-one".