11012345 has 12 divisors (see below), whose sum is σ = 14039724. Its totient is φ = 8290560.

The previous prime is 11012341. The next prime is 11012369. The reversal of 11012345 is 54321011.

It can be written as a sum of positive squares in 6 ways, for example, as 2036329 + 8976016 = 1427^2 + 2996^2 .

It is not a de Polignac number, because 11012345 - 2² = 11012341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012341) 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, 2366 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (1169977).

Almost surely, 2^11012345 is an apocalyptic number.

It is an amenable number.

11012345 is a deficient number, since it is larger than the sum of its proper divisors (3027379).

11012345 is an equidigital number, since it uses as much as digits as its factorization.

11012345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7660 (or 7643 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11012345 is about 3318.4853472631. The cubic root of 11012345 is about 222.4811750264.

Adding to 11012345 its reverse (54321011), we get a palindrome (65333356).

The spelling of 11012345 in words is "eleven million, twelve thousand, three hundred forty-five".