11401047 has 32 divisors (see below), whose sum is σ = 19468800. Its totient is φ = 6459264.

The previous prime is 11401037. The next prime is 11401051. The reversal of 11401047 is 74010411.

It is not a de Polignac number, because 11401047 - 2⁸ = 11400791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33663 + ... + 33999.

It is an arithmetic number, because the mean of its divisors is an integer number (608400).

Almost surely, 2^11401047 is an apocalyptic number.

11401047 is a deficient number, since it is larger than the sum of its proper divisors (8067753).

11401047 is a wasteful number, since it uses less digits than its factorization.

11401047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 11401047 is about 3376.5436469858. The cubic root of 11401047 is about 225.0686013039.

Adding to 11401047 its reverse (74010411), we get a palindrome (85411458).

It can be divided in two parts, 1140 and 1047, that added together give a 7-th power (2187 = 3⁷).

The spelling of 11401047 in words is "eleven million, four hundred one thousand, forty-seven".