11913426 has 32 divisors (see below), whose sum is σ = 30257280. Its totient is φ = 3403728.

The previous prime is 11913409. The next prime is 11913463. The reversal of 11913426 is 62431911.

11913426 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11913426.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15381 + ... + 16136.

It is an arithmetic number, because the mean of its divisors is an integer number (945540).

Almost surely, 2^11913426 is an apocalyptic number.

11913426 is an abundant number, since it is smaller than the sum of its proper divisors (18343854).

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

11913426 is a wasteful number, since it uses less digits than its factorization.

11913426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31535 (or 31529 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 11913426 is about 3451.5831150358. The cubic root of 11913426 is about 228.3909497571.

The spelling of 11913426 in words is "eleven million, nine hundred thirteen thousand, four hundred twenty-six".