11390487 has 16 divisors (see below), whose sum is σ = 15786720. Its totient is φ = 7299072.

The previous prime is 11390479. The next prime is 11390521. The reversal of 11390487 is 78409311.

It is not a de Polignac number, because 11390487 - 2³ = 11390479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11390887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9303 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (986670).

Almost surely, 2^11390487 is an apocalyptic number.

11390487 is a deficient number, since it is larger than the sum of its proper divisors (4396233).

11390487 is a wasteful number, since it uses less digits than its factorization.

11390487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 11390487 is about 3374.9795554936. The cubic root of 11390487 is about 224.9990913544. Note that the first 3 decimals are identical.

Adding to 11390487 its reverse (78409311), we get a palindrome (89799798).

The spelling of 11390487 in words is "eleven million, three hundred ninety thousand, four hundred eighty-seven".