11401305 has 16 divisors (see below), whose sum is σ = 19315584. Its totient is φ = 5722880.

The previous prime is 11401303. The next prime is 11401309. The reversal of 11401305 is 50310411.

11401305 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11401305 - 2¹ = 11401303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (11401303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22101 + ... + 22610.

It is an arithmetic number, because the mean of its divisors is an integer number (1207224).

Almost surely, 2^11401305 is an apocalyptic number.

11401305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11401305 is a deficient number, since it is larger than the sum of its proper divisors (7914279).

11401305 is a wasteful number, since it uses less digits than its factorization.

11401305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44736.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11401305 is about 3376.5818515179. The cubic root of 11401305 is about 225.0702990211.

Adding to 11401305 its reverse (50310411), we get a palindrome (61711716).

The spelling of 11401305 in words is "eleven million, four hundred one thousand, three hundred five".