11403426 has 8 divisors (see below), whose sum is σ = 22806864. Its totient is φ = 3801140.

The previous prime is 11403391. The next prime is 11403433. The reversal of 11403426 is 62430411.

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

11403426 is an admirable number.

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, 950280 + ... + 950291.

It is an arithmetic number, because the mean of its divisors is an integer number (2850858).

Almost surely, 2^11403426 is an apocalyptic number.

11403426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11403426 is a wasteful number, since it uses less digits than its factorization.

11403426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900576.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 11403426 is about 3376.8959119286. The cubic root of 11403426 is about 225.0842548652.

Adding to 11403426 its reverse (62430411), we get a palindrome (73833837).

The spelling of 11403426 in words is "eleven million, four hundred three thousand, four hundred twenty-six".