11513357 has 4 divisors (see below), whose sum is σ = 11533116. Its totient is φ = 11493600.

The previous prime is 11513339. The next prime is 11513371. The reversal of 11513357 is 75331511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4405801 + 7107556 = 2099^2 + 2666^2 .

It is a cyclic number.

It is not a de Polignac number, because 11513357 - 2¹² = 11509261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8978 + ... + 10179.

It is an arithmetic number, because the mean of its divisors is an integer number (2883279).

Almost surely, 2^11513357 is an apocalyptic number.

It is an amenable number.

11513357 is a deficient number, since it is larger than the sum of its proper divisors (19759).

11513357 is an equidigital number, since it uses as much as digits as its factorization.

11513357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19758.

The product of its digits is 1575, while the sum is 26.

The square root of 11513357 is about 3393.1338022542. The cubic root of 11513357 is about 225.8052267625.

Adding to 11513357 its reverse (75331511), we get a palindrome (86844868).

The spelling of 11513357 in words is "eleven million, five hundred thirteen thousand, three hundred fifty-seven".