11942073 has 40 divisors (see below), whose sum is σ = 20978496. Its totient is φ = 6674400.

The previous prime is 11942069. The next prime is 11942081. The reversal of 11942073 is 37024911.

It is not a de Polignac number, because 11942073 - 2² = 11942069 is a prime.

It is a super-2 number, since 2×11942073² = 285226215074658, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11942093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11068 + ... + 12098.

Almost surely, 2^11942073 is an apocalyptic number.

11942073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11942073 is a deficient number, since it is larger than the sum of its proper divisors (9036423).

11942073 is a wasteful number, since it uses less digits than its factorization.

11942073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 11942073 is about 3455.7304582389. The cubic root of 11942073 is about 228.5738660268.

Adding to 11942073 its reverse (37024911), we get a palindrome (48966984).

The spelling of 11942073 in words is "eleven million, nine hundred forty-two thousand, seventy-three".