11401365 has 16 divisors (see below), whose sum is σ = 18736128. Its totient is φ = 5916096.

The previous prime is 11401333. The next prime is 11401367. The reversal of 11401365 is 56310411.

It is not a de Polignac number, because 11401365 - 2⁵ = 11401333 is a prime.

It is a super-2 number, since 2×11401365² = 259982247726450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401367) 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, 9717 + ... + 10826.

It is an arithmetic number, because the mean of its divisors is an integer number (1171008).

Almost surely, 2^11401365 is an apocalyptic number.

11401365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11401365 is a deficient number, since it is larger than the sum of its proper divisors (7334763).

11401365 is a wasteful number, since it uses less digits than its factorization.

11401365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20588.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 11401365 is about 3376.5907362309. The cubic root of 11401365 is about 225.0706938354.

Adding to 11401365 its reverse (56310411), we get a palindrome (67711776).

The spelling of 11401365 in words is "eleven million, four hundred one thousand, three hundred sixty-five".