11487737 has 2 divisors, whose sum is σ = 11487738. Its totient is φ = 11487736.

The previous prime is 11487709. The next prime is 11487739. The reversal of 11487737 is 73778411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8404201 + 3083536 = 2899^2 + 1756^2 .

It is a cyclic number.

It is not a de Polignac number, because 11487737 - 2⁸ = 11487481 is a prime.

Together with 11487739, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11487737.

It is not a weakly prime, because it can be changed into another prime (11487739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5743868 + 5743869.

It is an arithmetic number, because the mean of its divisors is an integer number (5743869).

Almost surely, 2^11487737 is an apocalyptic number.

It is an amenable number.

11487737 is a deficient number, since it is larger than the sum of its proper divisors (1).

11487737 is an equidigital number, since it uses as much as digits as its factorization.

11487737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928, while the sum is 38.

The square root of 11487737 is about 3389.3564285864. The cubic root of 11487737 is about 225.6376119847.

The spelling of 11487737 in words is "eleven million, four hundred eighty-seven thousand, seven hundred thirty-seven".