11426978 has 8 divisors (see below), whose sum is σ = 17227200. Its totient is φ = 5684580.

The previous prime is 11426939. The next prime is 11426981. The reversal of 11426978 is 87962411.

11426978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13958 + ... + 14753.

It is an arithmetic number, because the mean of its divisors is an integer number (2153400).

Almost surely, 2^11426978 is an apocalyptic number.

11426978 is a deficient number, since it is larger than the sum of its proper divisors (5800222).

11426978 is a wasteful number, since it uses less digits than its factorization.

11426978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28912.

The product of its digits is 24192, while the sum is 38.

The square root of 11426978 is about 3380.3813394349. The cubic root of 11426978 is about 225.2391071281.

It can be divided in two parts, 11426 and 978, that multiplied together give a triangular number (11174628 = T₄₇₂₇).

The spelling of 11426978 in words is "eleven million, four hundred twenty-six thousand, nine hundred seventy-eight".