11878451 has 8 divisors (see below), whose sum is σ = 13065024. Its totient is φ = 10730880.

The previous prime is 11878441. The next prime is 11878457. The reversal of 11878451 is 15487811.

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 11878451 - 2⁶ = 11878387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11878457) 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, 9110 + ... + 10331.

It is an arithmetic number, because the mean of its divisors is an integer number (1633128).

Almost surely, 2^11878451 is an apocalyptic number.

11878451 is a deficient number, since it is larger than the sum of its proper divisors (1186573).

11878451 is a wasteful number, since it uses less digits than its factorization.

11878451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19501.

The product of its digits is 8960, while the sum is 35.

The square root of 11878451 is about 3446.5128753568. The cubic root of 11878451 is about 228.1672300878.

The spelling of 11878451 in words is "eleven million, eight hundred seventy-eight thousand, four hundred fifty-one".