13253764 has 12 divisors (see below), whose sum is σ = 23226588. Its totient is φ = 6617600.

The previous prime is 13253759. The next prime is 13253767. The reversal of 13253764 is 46735231.

It can be written as a sum of positive squares in 2 ways, for example, as 4000000 + 9253764 = 2000^2 + 3042^2 .

It is not an unprimeable number, because it can be changed into a prime (13253767) 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, 1644 + ... + 5404.

It is an arithmetic number, because the mean of its divisors is an integer number (1935549).

It is a vampire number, since it can be written as 3524 ⋅ 3761 (with its own digits).

Almost surely, 2^13253764 is an apocalyptic number.

It is an amenable number.

13253764 is a deficient number, since it is larger than the sum of its proper divisors (9972824).

13253764 is a wasteful number, since it uses less digits than its factorization.

13253764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646 (or 4644 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 13253764 is about 3640.5719330896. The cubic root of 13253764 is about 236.6535794743.

Adding to 13253764 its reverse (46735231), we get a palindrome (59988995).

The spelling of 13253764 in words is "thirteen million, two hundred fifty-three thousand, seven hundred sixty-four".