11651313 has 16 divisors (see below), whose sum is σ = 16588800. Its totient is φ = 7252560.

The previous prime is 11651309. The next prime is 11651327. The reversal of 11651313 is 31315611.

11651313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11651313 - 2² = 11651309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11651313.

It is not an unprimeable number, because it can be changed into a prime (11651333) 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, 2608 + ... + 5486.

It is an arithmetic number, because the mean of its divisors is an integer number (1036800).

Almost surely, 2^11651313 is an apocalyptic number.

It is an amenable number.

11651313 is a deficient number, since it is larger than the sum of its proper divisors (4937487).

11651313 is a wasteful number, since it uses less digits than its factorization.

11651313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972.

The product of its digits is 270, while the sum is 21.

The square root of 11651313 is about 3413.4019687110. The cubic root of 11651313 is about 226.7035337476.

Adding to 11651313 its reverse (31315611), we get a palindrome (42966924).

The spelling of 11651313 in words is "eleven million, six hundred fifty-one thousand, three hundred thirteen".