11421678 has 16 divisors (see below), whose sum is σ = 23461200. Its totient is φ = 3704256.

The previous prime is 11421677. The next prime is 11421689. The reversal of 11421678 is 87612411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421673) 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, 25503 + ... + 25946.

It is an arithmetic number, because the mean of its divisors is an integer number (1466325).

Almost surely, 2^11421678 is an apocalyptic number.

11421678 is an abundant number, since it is smaller than the sum of its proper divisors (12039522).

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

11421678 is a wasteful number, since it uses less digits than its factorization.

11421678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51491.

The product of its digits is 2688, while the sum is 30.

The square root of 11421678 is about 3379.5973132904. The cubic root of 11421678 is about 225.2042786757.

The spelling of 11421678 in words is "eleven million, four hundred twenty-one thousand, six hundred seventy-eight".