11426457 has 12 divisors (see below), whose sum is σ = 17722896. Its totient is φ = 6529320.

The previous prime is 11426449. The next prime is 11426479. The reversal of 11426457 is 75462411.

It is not a de Polignac number, because 11426457 - 2³ = 11426449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11426407) 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 11 ways as a sum of consecutive naturals, for example, 38719 + ... + 39012.

It is an arithmetic number, because the mean of its divisors is an integer number (1476908).

Almost surely, 2^11426457 is an apocalyptic number.

It is an amenable number.

11426457 is a deficient number, since it is larger than the sum of its proper divisors (6296439).

11426457 is an equidigital number, since it uses as much as digits as its factorization.

11426457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77748 (or 77741 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 11426457 is about 3380.3042762450. The cubic root of 11426457 is about 225.2356839029.

Adding to 11426457 its reverse (75462411), we get a palindrome (86888868).

The spelling of 11426457 in words is "eleven million, four hundred twenty-six thousand, four hundred fifty-seven".