11940426 has 32 divisors (see below), whose sum is σ = 28097280. Its totient is φ = 3745728.

The previous prime is 11940419. The next prime is 11940457. The reversal of 11940426 is 62404911.

It is a super-2 number, since 2×11940426² = 285147546122952, which contains 22 as substring.

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 11940426.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5586 + ... + 7421.

It is an arithmetic number, because the mean of its divisors is an integer number (878040).

Almost surely, 2^11940426 is an apocalyptic number.

11940426 is an abundant number, since it is smaller than the sum of its proper divisors (16156854).

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

11940426 is a wasteful number, since it uses less digits than its factorization.

11940426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13035 (or 13029 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 11940426 is about 3455.4921501864. The cubic root of 11940426 is about 228.5633575647.

The spelling of 11940426 in words is "eleven million, nine hundred forty thousand, four hundred twenty-six".