11280346 has 24 divisors (see below), whose sum is σ = 21258720. Its totient is φ = 4394280.

The previous prime is 11280341. The next prime is 11280377. The reversal of 11280346 is 64308211.

It is a self number, because there is not a number n which added to its sum of digits gives 11280346.

It is not an unprimeable number, because it can be changed into a prime (11280341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1636 + ... + 5023.

It is an arithmetic number, because the mean of its divisors is an integer number (885780).

Almost surely, 2^11280346 is an apocalyptic number.

11280346 is a deficient number, since it is larger than the sum of its proper divisors (9978374).

11280346 is a wasteful number, since it uses less digits than its factorization.

11280346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690 (or 6679 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 11280346 is about 3358.6226343547. The cubic root of 11280346 is about 224.2715271275.

Adding to 11280346 its reverse (64308211), we get a palindrome (75588557).

The spelling of 11280346 in words is "eleven million, two hundred eighty thousand, three hundred forty-six".