11390480 has 20 divisors (see below), whose sum is σ = 26483052. Its totient is φ = 4556160.

The previous prime is 11390479. The next prime is 11390521. The reversal of 11390480 is 8409311.

It can be written as a sum of positive squares in 2 ways, for example, as 4999696 + 6390784 = 2236^2 + 2528^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 71111 + ... + 71270.

Almost surely, 2^11390480 is an apocalyptic number.

11390480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11390480 is an abundant number, since it is smaller than the sum of its proper divisors (15092572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11390480 is a wasteful number, since it uses less digits than its factorization.

11390480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142394 (or 142388 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11390480 is about 3374.9785184502. The cubic root of 11390480 is about 224.9990452634. Note that the first 3 decimals are identical.

Adding to 11390480 its reverse (8409311), we get a palindrome (19799791).

The spelling of 11390480 in words is "eleven million, three hundred ninety thousand, four hundred eighty".