11742345 has 12 divisors (see below), whose sum is σ = 20353476. Its totient is φ = 6262560.

The previous prime is 11742337. The next prime is 11742347. The reversal of 11742345 is 54324711.

It can be written as a sum of positive squares in 2 ways, for example, as 8838729 + 2903616 = 2973^2 + 1704^2 .

It is not a de Polignac number, because 11742345 - 2³ = 11742337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11742347) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 130426 + ... + 130515.

It is an arithmetic number, because the mean of its divisors is an integer number (1696123).

Almost surely, 2^11742345 is an apocalyptic number.

11742345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11742345 is a deficient number, since it is larger than the sum of its proper divisors (8611131).

11742345 is a wasteful number, since it uses less digits than its factorization.

11742345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260952 (or 260949 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 11742345 is about 3426.7105217687. The cubic root of 11742345 is about 227.2924162094.

The spelling of 11742345 in words is "eleven million, seven hundred forty-two thousand, three hundred forty-five".