11426731 has 4 divisors (see below), whose sum is σ = 11453200. Its totient is φ = 11400264.

The previous prime is 11426729. The next prime is 11426749. The reversal of 11426731 is 13762411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11426731 - 2¹ = 11426729 is a prime.

It is a super-2 number, since 2×11426731² = 261140362692722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11426696 and 11426705.

It is not an unprimeable number, because it can be changed into a prime (11426761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12576 + ... + 13453.

It is an arithmetic number, because the mean of its divisors is an integer number (2863300).

Almost surely, 2^11426731 is an apocalyptic number.

11426731 is a deficient number, since it is larger than the sum of its proper divisors (26469).

11426731 is an equidigital number, since it uses as much as digits as its factorization.

11426731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26468.

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

The square root of 11426731 is about 3380.3448048979. The cubic root of 11426731 is about 225.2374842301.

The spelling of 11426731 in words is "eleven million, four hundred twenty-six thousand, seven hundred thirty-one".