13650057 has 12 divisors (see below), whose sum is σ = 19752564. Its totient is φ = 9083520.

The previous prime is 13650047. The next prime is 13650059. The reversal of 13650057 is 75005631.

13650057 is a `hidden beast` number, since 1 + 3 + 650 + 0 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3594816 + 10055241 = 1896^2 + 3171^2 .

It is not a de Polignac number, because 13650057 - 2¹⁰ = 13649033 is a prime.

It is a super-2 number, since 2×13650057² = 372648112206498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13650057.

It is not an unprimeable number, because it can be changed into a prime (13650059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5853 + ... + 7845.

It is an arithmetic number, because the mean of its divisors is an integer number (1646047).

Almost surely, 2^13650057 is an apocalyptic number.

It is an amenable number.

13650057 is a deficient number, since it is larger than the sum of its proper divisors (6102507).

13650057 is a wasteful number, since it uses less digits than its factorization.

13650057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 13650057 is about 3694.5983543546. The cubic root of 13650057 is about 238.9891336831.

Adding to 13650057 its reverse (75005631), we get a palindrome (88655688).

The spelling of 13650057 in words is "thirteen million, six hundred fifty thousand, fifty-seven".