11401028 has 6 divisors (see below), whose sum is σ = 19951806. Its totient is φ = 5700512.

The previous prime is 11401001. The next prime is 11401037. The reversal of 11401028 is 82010411.

It can be written as a sum of positive squares in only one way, i.e., 10640644 + 760384 = 3262^2 + 872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11400997 and 11401015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425125 + ... + 1425132.

It is an arithmetic number, because the mean of its divisors is an integer number (3325301).

Almost surely, 2^11401028 is an apocalyptic number.

It is an amenable number.

11401028 is a deficient number, since it is larger than the sum of its proper divisors (8550778).

11401028 is a wasteful number, since it uses less digits than its factorization.

11401028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850261 (or 2850259 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 11401028 is about 3376.5408334566. The cubic root of 11401028 is about 225.0684762772.

Adding to 11401028 its reverse (82010411), we get a palindrome (93411439).

The spelling of 11401028 in words is "eleven million, four hundred one thousand, twenty-eight".