11438737 has 2 divisors, whose sum is σ = 11438738. Its totient is φ = 11438736.

The previous prime is 11438729. The next prime is 11438747. The reversal of 11438737 is 73783411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9339136 + 2099601 = 3056^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 11438737 - 2³ = 11438729 is a prime.

It is equal to p₇₅₃₄₈₇ and since 11438737 and 753487 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11438717) 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 as a sum of consecutive naturals, namely, 5719368 + 5719369.

It is an arithmetic number, because the mean of its divisors is an integer number (5719369).

Almost surely, 2^11438737 is an apocalyptic number.

It is an amenable number.

11438737 is a deficient number, since it is larger than the sum of its proper divisors (1).

11438737 is an equidigital number, since it uses as much as digits as its factorization.

11438737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 11438737 is about 3382.1201930150. The cubic root of 11438737 is about 225.3163418576.

The spelling of 11438737 in words is "eleven million, four hundred thirty-eight thousand, seven hundred thirty-seven".