11389499 has 4 divisors (see below), whose sum is σ = 12424920. Its totient is φ = 10354080.

The previous prime is 11389471. The next prime is 11389501. The reversal of 11389499 is 99498311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99498311 = 11 ⋅9045301.

It is not a de Polignac number, because 11389499 - 2¹² = 11385403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11389699) 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, 517694 + ... + 517715.

It is an arithmetic number, because the mean of its divisors is an integer number (3106230).

Almost surely, 2^11389499 is an apocalyptic number.

11389499 is a deficient number, since it is larger than the sum of its proper divisors (1035421).

11389499 is a wasteful number, since it uses less digits than its factorization.

11389499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035420.

The product of its digits is 69984, while the sum is 44.

The square root of 11389499 is about 3374.8331810624. The cubic root of 11389499 is about 224.9925857639.

The spelling of 11389499 in words is "eleven million, three hundred eighty-nine thousand, four hundred ninety-nine".