11426137 has 4 divisors (see below), whose sum is σ = 11496400. Its totient is φ = 11355876.

The previous prime is 11426119. The next prime is 11426141. The reversal of 11426137 is 73162411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73162411 = 7 ⋅10451773.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11426137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11426237) 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 3 ways as a sum of consecutive naturals, for example, 34887 + ... + 35212.

It is an arithmetic number, because the mean of its divisors is an integer number (2874100).

Almost surely, 2^11426137 is an apocalyptic number.

It is an amenable number.

11426137 is a deficient number, since it is larger than the sum of its proper divisors (70263).

11426137 is an equidigital number, since it uses as much as digits as its factorization.

11426137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70262.

The product of its digits is 1008, while the sum is 25.

The square root of 11426137 is about 3380.2569428965. The cubic root of 11426137 is about 225.2335812945.

Adding to 11426137 its reverse (73162411), we get a palindrome (84588548).

The spelling of 11426137 in words is "eleven million, four hundred twenty-six thousand, one hundred thirty-seven".