11678454 has 12 divisors (see below), whose sum is σ = 25303356. Its totient is φ = 3892812.

The previous prime is 11678453. The next prime is 11678479. The reversal of 11678454 is 45487611.

11678454 = T₄₁₀ + T₄₁₁ + ... + T₅₁₇.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11678453) 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 in 5 ways as a sum of consecutive naturals, for example, 324384 + ... + 324419.

It is an arithmetic number, because the mean of its divisors is an integer number (2108613).

Almost surely, 2^11678454 is an apocalyptic number.

11678454 is an abundant number, since it is smaller than the sum of its proper divisors (13624902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11678454 is a wasteful number, since it uses less digits than its factorization.

11678454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648811 (or 648808 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 11678454 is about 3417.3753086250. The cubic root of 11678454 is about 226.8794277760.

The spelling of 11678454 in words is "eleven million, six hundred seventy-eight thousand, four hundred fifty-four".